Final Vocab.txt

Substances that produce biologic responses within the body; they are synthesized by cells of the human body, animal cells, or microorganisms.

Second stage of drug testing that involves clinical phase trials.

Testing of a new drug in selected patients.

Treatments considered outside the realm of conventional Western medicine.

General term for any substance capable of producing biologic responses in the body.

National strategy for transforming the way FDA-regulated products are developed, evaluated, manufactured, and used.

U.S. agency responsible for the evaluation and approval of new drugs.

List of drugs and drug recipes commonly used by pharmacists.

Application to the FDA that contains all the animal and cell testing data.

Drug after it has been administered.

Third stage of new drug evaluation by the FDA.

The study of medicines; the discipline pertaining to how drugs improve or maintain health.

Medical reference indicating standards of drug purity, strength, and directions for synthesis.

Treatment or prevention of disease by means of drugs.

Evaluation of a new drug after it has been approved and used in large numbers of patients.

Procedure implemented after a drug has been licensed for public use, designed to provide information on use and on occurrence of side effects.

The branch of medicine concerned with the treatment of disease and suffering.

Ability of a drug to reach the bloodstream and its target tissues.

Strict chemical nomenclature used for naming drugs established by the International Union of Pure and Applied Chemistry (IUPAC).

Drug product with more than one active generic ingredient.

In the United States, a drug whose use is restricted by the Comprehensive Drug Abuse Prevention and Control Act; in Canada, a drug subject to guidelines outlined in the Canadian Narcotic Control Act.

Strong physiological or psychological need for a substance.

Nonproprietary name of a drug assigned by the government.

The way in which a drug exerts its effects.

Method for organizing drugs on the basis of their mechanism of action.

Well-understood model drug with which other drugs in a pharmacologic class may be compared.

In the United States, a term describing a drug placed into one of five categories based on its potential for misuse or abuse.

Method for organizing drugs on the basis of their clinical usefulness.

Proprietary name of a drug assigned by the manufacturer; also called the brand name or product name.

Physical signs of discomfort associated with the discontinuation of an abused substance.

Acquired hyperresponse of body defenses to a foreign substance (allergen).

Acute allergic response to an antigen that results in severe hypotension and may lead to life-threatening shock if untreated.

Older system of measurement that uses drams; rarely used.

As soon as possible order that should be available for administration to the patient within 30 minutes of the written order.

Drops or spray used to shrink swollen mucous membranes, or to loosen secretions and facilitate drainage.

Administration of a tablet or capsule by placing it in the oral cavity between the gum and the cheek.

Taking a medication in the manner prescribed by the health care provider, or, in the case of over-the-counter (OTC) drugs, following the instructions on the label.

Administration of drugs orally, and through nasogastric or gastrostomy tubes.

Referring to tablets that have a hard, waxy coating designed to dissolve in the alkaline environment of the small intestine.

Principles that offer simple and practical guidance for nurses to use during drug preparation, delivery, and administration.

Older system of measurement that uses teaspoons, tablespoons, and cups.

Medication administered into the dermis layer of the skin.

Delivery of medication into specific muscles.

Administration of medications and fluids directly into the bloodstream.

Most common system of drug measurement that uses grams and liters.

Dispensation of medications via a needle into the skin layers.

Medication is administered as required by the patient's condition.

Order not written as STAT, ASAP, NOW, or PRN.

Medication that is to be given only once, and at a specific time, such as a preoperative order.

Order written in advance of a situation that is to be carried out under specific circumstances.

Any medication that is needed immediately and is to be given only once.

Medication delivered beneath the skin.

Administration of medication by placing it under the tongue and allowing it to dissolve slowly.

Tablets or capsules designed to dissolve slowly over an extended time.

In conjunction with the five rights, these ascertain patient safety and drug effectiveness.

The process of moving a drug across body membranes.

Chemical attraction that impels certain molecules to unite with others to form complexes.

Anatomical structure that prevents certain substances from gaining access to the brain.

Side chains that, during metabolism, make drugs more water soluble and more easily excreted by the kidney.

The process of transporting drugs through the body.

Drug that has bound reversibly to a plasma protein, particularly albumin, that makes the drug unavailable for distribution to body tissues.

Recycling of drugs and other substances by the circulation of bile through the intestine and liver.

Process in which a drug changes the function of the hepatic microsomal enzymes and increases metabolic activity in the liver.

The process of removing substances from the body.

Special anatomical structure that inhibits entry of many chemicals and drugs to the fetus.

Mechanism whereby drugs are absorbed across the intestinal wall and enter into the hepatic portal circulation.

As it relates to pharmacotherapy, liver enzymes that inactivate drugs and accelerate their excretion; sometimes called the P-450 system.

Comparatively large dose given at the beginning of treatment to rapidly obtain the therapeutic effect of a drug.

Dose that keeps the plasma drug concentration continuously in the therapeutic range.

Total of all biochemical reactions in the body.

Amount of drug required to produce a therapeutic effect.

Study of how drugs are handled by the body.

The length of time required for the plasma concentration of a drug to decrease by half after administration.

Drug that becomes more active after it is metabolized.

The dosage range or serum concentration that achieves the desired drug effects.

Level of drug that will result in serious adverse effects.

Drug that is capable of binding with receptors to induce a cellular response.

Drug that blocks the response of another drug.

The ability of a drug to produce a desired response.

Graphical representation that illustrates interpatient variability in responses to drugs.

Relationship between and measurement of the patient's response obtained at different doses of a drug.

Unpredictable and unexplained drug reaction.

Dose required to produce a specific therapeutic response in 50% of a group of patients.

Often determined in preclinical trials, the dose of drug that will be lethal in 50% of a group of animals.

Dose that will produce a given toxicity in 50% of a group of patients.

Drug action that is independent of cellular receptors and is not associated with other mechanisms, such as changing the permeability of cellular membranes, depressing membrane excitability, or altering the activity of cellular pumps.

Medication that produces a weaker, or less efficacious, response than an agonist.

Study of how the body responds to drugs.

Area of pharmacology that examines the role of genetics in drug response.

The strength of a drug at a specified concentration or dose.

The structural component of a cell to which a drug binds in a dose-related manner, to produce a response.

Cascade of biochemical events that initiates a drug's action by either stimulating or inhibiting a normal activity of the cell.

The ratio of a drug's LD 50 to its ED 50.

Appraisal of a patient's condition that involves gathering and interpreting data.

Patient information that is gathered before pharmacotherapy is implemented.

Objective assessment of the effectiveness and impact of interventions.

Any object or objective that the patient or nurse seeks to attain or achieve.

When the nurse applies the knowledge, skills, and principles of nursing care to help move the patient toward the desired goal and optimal wellness.

Clinically based judgment about the patient and his or her response to health and illness.

Five-part decision-making system that includes assessment, nursing diagnosis, planning, implementation, and evaluation.

Information gathered through physical assessment, laboratory tests, and other diagnostic sources.

Objective measurement of goals.

Linkage of strategies or interventions to established goals and outcomes.

Information gathered regarding what a patient states or perceives.

Period from 13 to 16 years of age.

Period of life from 3 to 8 weeks postconception.

Period of life from 9 to 40 weeks postconception.

Child younger than 1 year.

Person from 40 to 65 years of age.

Person older than age 65.

The taking of multiple drugs concurrently.

Period of life from 1 to 2 weeks postconception.

Child from 3 to 5 years of age.

Child from 6 to 12 years of age.

Drug or other agent that causes developmental birth defects.

Term applied to children from 1 to 3 years of age.

Term applied to persons from 18 to 40 years of age.

The ability of health care providers to provide care for people with diverse values, beliefs, and behaviors, including the ability to adapt delivery of care to meet the needs of these patients.

Set of beliefs, values, religious rituals, and customs shared by a group of people.

Referring to people having a common history and similar genetic heritage.

Changes in enzyme structure and function due to mutation of the encoding gene.

Viewing a person as an integrated biologic, psychosocial, cultural, communicating whole, existing and functioning within the communal environment.

A conceptual framework for dealing with patients in a holistic manner.

Area of pharmacology that examines the role of genetics in drug response.

Describes a person's psychological development in the context of one's social environment.

The capacity to love, to convey compassion and empathy, to give and forgive, to enjoy life, and to find peace of mind and fulfillment in living.

Documentation of all pharmacotherapies received by the patient.

Any preventable event that may cause or lead to inappropriate medication use or patient harm while the medication is in the control of the health care provider, patient, or consumer.

Categorization of medication errors according to the extent of the harm an error can cause.

The process of keeping track of a patient's medications as they proceed from one health care provider to another.

The taking of multiple drugs concurrently.

System of reducing medication errors by modifying policies and procedures within the institution.

Plant extract used to treat or prevent illness.

Treatments that consider the health of the whole person and promote disease prevention.

Nondrug substance regulated by the Dietary Supplement Health and Education Act of 1994 (DSHEA).

Law that requires companies that market herbal and dietary supplements to include their address and phone number on the product labels so consumers can report adverse events.

Primary law in the United States regulating herb and dietary supplements.

Plant with a soft stem that is used for healing or as a seasoning.

Nonherbal dietary product used to enhance a wide variety of body functions.

The continued use of a substance despite its negative health and social consequences.

Disorder typically diagnosed in childhood and adolescence characterized by hyperactivity as well as attention, organization, and behavior control issues.

Major class of drugs used to treat anxiety disorders.

Situation in which tolerance to one drug makes the patient tolerant to another drug.

A syndrome of intense agitation, confusion, terrifying hallucinations, uncontrollable tremors, panic attacks, and paranoia caused by alcohol withdrawal.

The active chemical ingredient in marijuana responsible for its psychoactive properties.

Substance produced in a laboratory and intended to mimic the effects of another psychoactive controlled substance.

Substance obtained from the unripe seeds of the poppy plant; natural or synthetic morphine-like substance.

Condition of experiencing unpleasant withdrawal symptoms when a substance is discontinued.

Substance that alters perception and reality.

Intense craving for a drug that drives people to continue drug abuse.

Portion of the brain affecting awareness and wakefulness.

Substance that depresses the CNS to cause drowsiness or sleep.

Self-administration of a drug that does not conform to the medical or social norms within the patient's given culture or society.

Process of adapting to a drug over a period of time and subsequently requiring higher doses to achieve the same effect.

Symptoms that result when a patient discontinues taking a substance on which he or she was dependent.

Short-term treatment (within 60 minutes) after a patient has ingested a threatening amount of carbon-based poison; molecules adhere to activated charcoal and minimize or prevent poisons from absorption.

Life-threatening symptoms resulting from acute exposure to ionizing radiation, including nausea, vomiting, severe leukopenia, thrombocytopenia, anemia, and alopecia.

Microorganism that can cause severe disease and high mortality in humans.

One of the first elements of toxicity treatment involving maintaining the patient's airway, breathing, and circulation; making sure proper blood glucose levels are stable; maintaining proper arterial blood gases; treatment of developing seizures; and management of acid-base disturbances.

Intentional use of infectious biologic agents, chemical substances, or radiation to cause widespread harm or illness.

Course of treatment (within 60 minutes) after the patient has ingested a potentially life-threatening amount of poison; this is performed by washing out the stomach with sterile water or a saltwater solution followed by removal of the fluid or mixed substances.

Radiation that is highly penetrating and can cause serious biologic effects.

Chemical used in warfare or by bioterrorists that can affect the central nervous system and cause death.

Direct remedies to counter the effects of poisons or toxins in various cases including heavy metals, radioactive agents, and overdosing of pharmacologic substances.

Program designed to ensure the immediate deployment of essential medical materials to a community in the event of a large-scale chemical or biologic attack.

Remedy primarily used to induce vomiting following ingestion of poisonous substances; ipecac irritates the gastric mucosa and promotes emesis by stimulating the chemoreceptor trigger zone (CTZ) within the brainstem.

Biologic material that confers protection against infection; preparation of microorganism particles that is injected into a patient to stimulate the immune system, with the intention of preventing disease.

Supplies and pharmaceuticals that are shipped after a chemical or biologic threat has been identified.

Act of mechanically flushing the ingested poison from the gastrointestinal tract after the patient has ingested potentially toxic doses of lead, zinc, or illicit drugs; this technique may be used for overdosed sustained-release or enteric-coated drugs.

Primary neurotransmitter of the parasympathetic nervous system; also present at somatic neuromuscular junctions and at sympathetic preganglionic nerves.

Enzyme that degrades acetylcholine within the synaptic cleft, enhancing effects of the neurotransmitter.

Relating to nerves that release norepinephrine or epinephrine.

Drug that blocks the actions of the sympathetic nervous system.

Type of subreceptor found in the sympathetic nervous system.

Drug that blocks the actions of the parasympathetic nervous system.

Portion of the peripheral nervous system that governs involuntary actions of the smooth muscle, cardiac muscle, and glands.

Type of subreceptor found in the sympathetic nervous system.

Class of agents secreted in response to stress that include epinephrine, norepinephrine, and dopamine.

Division of the nervous system consisting of the brain and spinal cord.

Relating to nerves that release acetylcholine.

Characteristic set of signs and symptoms produced when the sympathetic nervous system is activated.

The juncture between two multipolar neurons located outside of the central nervous system (CNS), where axon terminals from the first neuron make contact with cell bodies and extensions of the second neuron.

Enzyme that destroys norepinephrine in the nerve terminal.

Type of cholinergic receptor found in smooth muscle, cardiac muscle, and glands.

Motor disorder caused by a destruction of nicotinic receptors on skeletal muscles and characterized by profound muscular fatigue.

Type of cholinergic receptor found in ganglia of both the sympathetic and parasympathetic nervous systems.

Primary neurotransmitter in the sympathetic nervous system.

Portion of the autonomic nervous system that is active during periods of rest and that results in the rest-or-relaxation response.

Drug that mimics the actions of the parasympathetic nervous system.

Division of the nervous system containing all nervous tissue outside the CNS, including the autonomic nervous system.

Autonomic nerve after the ganglionic synapse transmitting impulses to the target tissue.

Autonomic nerve before the ganglionic synapse carrying impulses from the spinal cord.

Signs and symptoms produced when the parasympathetic nervous system is activated.

Nerve division that provides voluntary control over skeletal muscle.

Portion of the autonomic system that is active during periods of stress and results in the fight-or-flight response.

A drug that blocks the actions of the sympathetic nervous system.

Drug that stimulates or mimics the sympathetic nervous system.

Junction between two neurons consisting of a presynaptic nerve, a synaptic cleft, and a postsynaptic nerve.

Process by which a neurotransmitter reaches receptors to regenerate the action potential.

Drug that alters levels of two important neurotransmitters in the brain, norepinephrine and serotonin, to reduce depression and anxiety.

State of apprehension and autonomic nervous system activation resulting from exposure to a nonspecific or unknown cause.

Drugs that relieve anxiety.

Diagnostic test that records brainwaves through electrodes attached to the scalp.

Difficult-to-control, excessive anxiety that lasts 6 months or more, focuses on a variety of life events, and interferes with normal day-to-day functions.

Drug that causes sleep.

Inability to fall asleep or stay asleep.

Area in the brain responsible for emotion, learning, memory, motivation, and mood.

Inability to sleep for more than a few nights, often caused by depression, manic disorders, and chronic pain.

Recurrent, intrusive thoughts or repetitive behaviors that interfere with normal activities or relationships.

Anxiety disorder characterized by intense feelings of immediate apprehension, fearfulness, terror, or impending doom, accompanied by increased autonomic nervous system activity.

Fearful feeling attached to situations or objects such as snakes, spiders, crowds, or heights.

Type of anxiety that develops in response to reexperiencing a previous life event that was psychologically traumatic.

Increased sleeplessness that occurs when long-term antianxiety or hypnotic medication is discontinued.

Stage of sleep characterized by quick, scanning movements of the eyes.

Responsible for sleeping and wakefulness and performs an alerting function for the cerebral cortex; includes the reticular formation, hypothalamus, and part of the thalamus.

Portion of the brain affecting awareness and wakefulness.

Substance that depresses the CNS to cause drowsiness or sleep

Drug with the ability to produce a calming effect at lower doses and to induce sleep at higher doses.

Inability to sleep that is often attributed to stress caused by a hectic lifestyle or the inability to resolve day-to-day conflicts within the home or workplace.

Anxiety experienced by people faced with a stressful environment.

Lack of sleep.

Fear of crowds.

Older term sometimes used to describe a drug that produces a calm or tranquil feeling.

Seizure with a loss or reduction of normal activity, including staring and transient loss of responsiveness.

Very-short-lasting seizure during which the patient may stumble and fall for no apparent reason.

Uncontrolled muscle contraction or spasm that occurs in the face, torso, arms, or legs.

Pregnancy-induced hypertensive disorder.

Disorder of the CNS characterized by seizures and/or convulsions.

Tonic-clonic motor activity lasting 1 to 2 minutes with rapid return of consciousness that occurs in conjunction with elevated body temperature.

Neurotransmitter in the CNS.

Seizures that travel throughout the entire brain.

Seizure characterized by brief, sudden contractions of a group of muscles.

Seizure that starts on one side of the brain and travels a short distance before stopping.

Symptom of epilepsy characterized by abnormal neuronal discharges within the brain.

Condition characterized by repeated seizures or one prolonged seizure attack that continues for at least 30 minutes.

Seizure characterized by intense jerking motions and loss of consciousness.

Disorder typically diagnosed in childhood and adolescence characterized by hyperactivity as well as attention, organization, and behavior control issues.

Syndrome characterized by extreme and opposite moods, such as euphoria and depression.

Disorder characterized by depressed mood, lack of energy, sleep disturbances, abnormal eating patterns, and feelings of despair, guilt, and misery.

Less severe type of mood disorder that may prevent a person from feeling well or functioning normally.

Treatment used for serious and life-threatening mood disorders in patients who are unresponsive to pharmacotherapy.

A depressed mood lasting for a minimum of 2 weeks that is present for most of the day, every day, or almost every day.

Condition characterized by an expressive, impulsive, excitable, and overreactive nature.

Drug inhibiting monoamine oxidase, an enzyme that terminates the actions of neurotransmitters such as dopamine, norepinephrine, epinephrine, and serotonin.

Change in behavior such as clinical depression, emotional swings, or manic depression.

Drug that levels mood that is used to treat bipolar disorder and mania.

Occurring after childbirth.

Expression of intensely negative mood shifts and unusual behaviors involving hallucinations, delusions, disorganized speech patterns, or loss of contact with reality.

Type of depression experienced during the dark winter months.

Drug that selectively inhibits the reuptake of serotonin into nerve terminals; used mostly for depression.

Set of signs and symptoms associated with overmedication with antidepressants that includes altered mental status, fever, sweating, and lack of muscular coordination.

Specifically inhibit the reabsorption of serotonin and norepinephrine and elevate mood by increasing the levels of these agents in the central nervous system.

Class of drugs used in the pharmacotherapy of depression.

Form of the amino acid tyrosine that is found in foods such as cheese, beer, wine, and yeast products.

Inability to remain still; constantly moving.

False ideas and beliefs not founded in reality.

Receptor for dopamine in the basal nuclei of the brain that is associated with schizophrenia and antipsychotic drugs.

Severe muscle spasms, particularly of the back, neck, tongue, and face; characterized by abnormal tension starting in one area of the body and progressing to other areas.

Symptoms of acute dystonia, akathisia, parkinsonism, and tardive dyskinesia often caused by antipsychotic drugs.

Seeing, hearing, or feeling something that is not real.

Distorted perception of actual sensory stimuli.

In schizophrenia, symptoms that subtract from normal behavior, including a lack of interest, motivation, responsiveness, or pleasure in daily activities.

Potentially fatal condition caused by certain antipsychotic medications characterized by an extremely high body temperature, drowsiness, changing blood pressure, irregular heartbeat, and muscle rigidity.

Drug used to treat "nervous-type" conditions like psychoses.

Having an extreme suspicion and delusion that one is being followed and that others are trying to inflict harm.

Having tremor, muscle rigidity, stooped posture, and a shuffling gait.

In schizophrenia, symptoms that add to normal behavior, including hallucinations, delusions, and a disorganized thought or speech pattern.

Psychosis with symptoms of both schizophrenia and mood disorders.

Psychosis characterized by abnormal thoughts and thought processes, withdrawal from other people and the outside environment, and apparent preoccupation with one's own mental state.

Unusual tongue and face movements such as lip smacking and wormlike motions of the tongue that occur during pharmacotherapy with certain antipsychotics.

Nerves that transmit sensations of sharp pain.

Drug used to reduce or eliminate pain.

Sensory cue such as bright lights, smells, or tastes that precedes a migraine.

Nerves that transmit dull, poorly localized pain.

Key enzyme in the prostaglandin metabolic pathway that is blocked by aspirin and other NSAIDs.

Chemicals produced naturally within the body that decrease or eliminate pain; they closely resemble the actions of morphine.

Type of opioid receptor.

Treatment of opioid dependence by using methadone.

Severe headache preceded by auras that may include nausea and vomiting.

Type of opioid receptor.

Natural or synthetic drug related to morphine; may be used as a broader legal term referring to hallucinogens, CNS stimulants, marijuana, and other illegal drugs.

Caused by injury to nerves and typically described as burning, shooting, or numb pain.

Pain produced by injury to body tissue.

Receptor connected with nerves that receive and transmit pain signals to the spinal cord and brain.

Substance closely related to morphine extracted from the poppy plant.

Substance obtained from the unripe seeds of the poppy plant; natural or synthetic morphine-like substance.

Use of an infusion pump to deliver a prescribed amount of pain relief medication over a designated time.

Neurotransmitter within the spinal cord involved in the neural transmission of pain.

Common type of head pain caused by stress and relieved by nonnarcotic analgesics.

Type of chemical linkage found in some local anesthetics involving carbon, nitrogen, and oxygen (-NH-CO-).

Use of multiple medications to rapidly induce unconsciousness, cause muscle relaxation, and maintain deep anesthesia.

Type of chemical linkage found in some local anesthetics involving carbon and oxygen (-CO-O-).

Medical procedure that produces unconsciousness and loss of sensation throughout the entire body.

Loss of sensation to a limited part of the body without loss of consciousness.

Type of general anesthesia that combines fentanyl with droperidol to produce a state in which patients are conscious though insensitive to pain and unconnected with surroundings.

Drug used to cause total muscle relaxation.

Stage 3 of anesthesia, in which most major surgery occurs.

Enzyme that degrades acetylcholine within the synaptic cleft, enhancing effects of the neurotransmitter.

Most common dementia, characterized by loss of memory, delusions, hallucinations, confusion, and loss of judgment.

Abnormal protein fragments related to neuronal damage; a sign of Alzheimer's disease observed during autopsy.

Difficulty initiating movement and controlling fine muscle movements.

Area of the brain responsible for unconscious muscle movement; a point of contact for neurons projecting from the substantia nigra.

Degenerative disorder characterized by progressive memory loss, confusion, and the inability to think or communicate effectively.

Region of the brain responsible for learning and memory; a part of the limbic system.

Autoimmune disorder of the central nervous system; a condition where antibodies slowly destroy tissues in the brain and spinal cord.

Bundles of nerve fibers found in the brain of patients with Alzheimer's disease on autopsy.

Having tremor, muscle rigidity, stooped posture, and a shuffling gait.

One of the four recognized forms of Multiple Sclerosis named for gradual advance of the disease from onset and with no superimposed relapses (new or resurfacing symptoms) and remissions (periods of recovery).

One of the four recognized forms of Multiple Sclerosis named for gradual advance of the disease; there is significant recovery immediately following a relapse, but there is a gradual worsening of symptoms.

One of the four recognized forms of Multiple Sclerosis named whenever new symptoms appear or when they resurface or worsen (relapse); the patient then partially or fully recovers from the acquired deficits (remitting).

One of the four recognized forms of Multiple Sclerosis named for gradual advance of the disease; superimposed relapses (new or resurfacing symptoms) and remissions (periods of recovery) may occur, but they tend to tail off over time.

Location in the brain where dopamine is synthesized that is responsible for regulation of unconscious muscle movement.

Multiple, rapidly repeated muscular contractions.

Severe muscle spasms, particularly of the back, neck, tongue, and face; characterized by abnormal tension starting in one area of the body and progressing to other areas.

Involuntary contraction of a muscle or group of muscles, which become tightened, develop a fixed pattern of resistance, and result in a diminished level of functioning.

Drug used to cause total muscle relaxation.

Inability of opposing muscle groups to move in a coordinated manner.

Single, prolonged muscular contraction.

Protein component of a lipoprotein.

Condition characterized by a buildup of fatty plaque and loss of elasticity of the walls of the arteries.

Drug that binds bile acids, thus lowering cholesterol.

Abnormal (excess or deficient) level of lipoproteins in the blood.

Lipid-carrying particle in the blood that contains high amounts of protein and lower amounts of cholesterol; considered to be "good" cholesterol.

Primary enzyme in the biochemical pathway for the synthesis of cholesterol.

High levels of cholesterol in the blood.

Excess amount of lipids in the blood.

Phospholipid that is an important component of cell membranes.

Substance carrying lipids in the bloodstream that is composed of proteins bound to fat.

Lipid-carrying particle that contains relatively low amounts of protein and high amounts of cholesterol; considered to be "bad" cholesterol.

Type of lipid that contains two fatty acids, a phosphate group, and a chemical backbone of glycerol.

The process by which cholesterol is transported away from body tissues to the liver.

Breakdown of muscle fibers usually due to muscle trauma or ischemia.

Type of lipid consisting of four rings that is a structural component of certain hormones and drugs.

Ring structure common to all steroids.

Type of lipid that contains three fatty acids and a chemical backbone of glycerol.

Lipid-carrying particle that is converted to LDL in the liver.

Hormone secreted by the adrenal cortex that increases sodium reabsorption in the distal tubule of the kidney.

Chemical released in response to falling blood pressure that causes vasoconstriction and release of aldosterone.

Enzyme responsible for converting angiotensin I to angiotensin II.

Hormone released by the posterior pituitary gland when blood pressure falls or when the osmotic pressure of the blood increases.

Nerves located in the walls of the atria, aortic arch, vena cava, and carotid sinus that sense changes in blood pressure.

Drug that blocks the flow of calcium ions into myocardial cells.

Amount of blood pumped by a ventricle in 1 minute.

Nerves located in the aortic arch and carotid sinus that sense changes in oxygen content, pH, or carbon dioxide levels in the blood.

Substance that increases urine output.

High blood pressure.

Amount of friction encountered by blood as it travels through the vessels.

Temporary increase in heart rate that occurs when blood pressure falls.

Series of enzymatic steps by which the body raises blood pressure.

Hypertension having a specific identifiable cause.

Amount of blood pumped out by a ventricle in a single beat.

Area of the medulla that controls baseline blood pressure.

Pressure that must be overcome for the ventricles to eject blood from the heart.

Amount of blood pumped by a ventricle in 1 minute.

Change in the size, shape, and structure of the myocardial cells (myocytes) that occurs over time in heart failure.

The strength with which the myocardial fibers contract.

The greater the degree of stretch on the myocardial fibers, the greater will be the force by which they contract.

Disease in which the heart muscle cannot contract with sufficient force to meet the body's metabolic needs.

Change in the strength or contractility of the heart.

Swelling in the limbs, particularly the feet and ankles, due to an accumulation of interstitial fluid.

Enzyme in muscle cells that cleaves phosphodiester bonds; its inhibition increases myocardial contractility.

Degree of stretch of the cardiac muscle fibers just before they contract.

Acute chest pain on physical or emotional exertion due to inadequate oxygen supply to the myocardium.

Condition characterized by a buildup of fatty plaque and loss of elasticity of the walls of the arteries.

Surgical procedure performed to restore blood flow to the myocardium by using a section of the saphenous vein or internal mammary artery to go around the obstructed coronary artery.

One of the leading causes of mortality in the United States. The primary defining characteristic is narrowing or occlusion of a coronary artery.

Enzyme that binds fibrinogen and von Willebrand's factor to begin platelet aggregation and blood coagulation.

Blood clot blocking a portion of a coronary artery that causes necrosis of cardiac muscle.

Lack of blood supply to the myocardium due to a constriction or obstruction of a blood vessel.

Procedure by which a balloon-shaped catheter is used to compress fatty plaque against an arterial wall for the purpose of restoring normal blood flow.

Fatty material that builds up in the lining of blood vessels and may lead to hypertension, stroke, myocardial infarction, or angina.

Myocardial ischemia that occurs in the absence of pain.

Type of angina that occurs in a predictable pattern, usually relieved by rest.

Severe angina that occurs frequently and that is not relieved by rest.

Type of angina in which the decreased myocardial blood flow is caused by spasms of the coronary arteries.

Electrical changes in the membrane of a muscle or nerve cell due to changes in membrane permeability.

Cardiac tissue that receives electrical impulses from the sinoatrial node and conveys them to the ventricles.

Cardiac tissue that receives electrical impulses from the AV node and sends them to the bundle branches; also known as the bundle of His.

Ability of certain myocardial cells to spontaneously generate an action potential.

Electrical conduction pathway in the heart leading from the AV bundle and through the wall between the ventricles.

Pathway in a plasma membrane through which calcium ions enter and leave.

Conversion of fibrillation to a normal heart rhythm.

Reversal of the plasma membrane charge such that the inside is made less negative.

Abnormality in cardiac rhythm.

Cardiac tissue outside the normal cardiac conduction pathway that generates action potentials.

Device that records the electrical activity of the heart.

Type of dysrhythmia in which the chambers beat in a highly disorganized manner.

A device placed in patients to restore normal cardiac rhythm by either pacing the heart or giving it an electric shock when dysrhythmias occur.

Condition in which the inside of a cell is more negatively charged than the outside of the cell.

Pathway in a plasma membrane through which potassium ions enter and leave.

Electrical conduction pathway leading from the bundle branches to all portions of the ventricles.

Time during which the myocardial cells rest and are not able to contract.

Pacemaker of the heart located in the wall of the right atrium that controls the basic heart rate.

Number of beats per minute normally generated by the SA node.

Pathway in a plasma membrane through which sodium ions enter and leave.

Agent that inhibits the formation of blood clots.

Protein that prevents abnormal clotting by inhibiting thrombin.

Substances contributing to the process of blood hemostasis.

Process of blood clotting.

Complex series of steps by which blood flow stops.

Blood clot carried in the bloodstream.

An insoluble protein formed from fibrinogen by the action of thrombin in the blood clotting process.

Blood protein that is converted to fibrin by the action of thrombin in the blood coagulation process.

Removal of a blood clot.

Enzyme that binds fibrinogen and von Willebrand's factor to begin platelet aggregation and blood coagulation.

Hereditary lack of a specific blood clotting factor.

The slowing or stopping of blood flow.

Drug used to inhibit the normal removal of fibrin, used to speed clot formation, and keep the clot in place for a longer period.

Condition caused by insufficient blood flow to skeletal muscles in the lower limbs, resulting in ischemia of skeletal muscles and severe pain on walking, especially in calf muscles.

Drugs closely resembling heparin that inhibit blood clotting.

Enzyme formed from plasminogen that dissolves blood clots.

Protein that prevents fibrin clot formation; precursor of plasmin.

Blood protein that is converted to thrombin in blood coagulation.

Enzyme in the coagulation cascade that converts prothrombin to thrombin; also called prothrombinase.

Enzyme that causes clotting by catalyzing the conversion of fibrinogen to fibrin.

Reduction in the number of circulating platelets.

Condition in which the patient develops blood clots.

Drug used to dissolve existing blood clots.

Blood clot obstructing a vessel.

Natural enzyme and a drug that dissolves blood clots.

Decrease in quantity or quality of von Willebrand factor (vWF), which acts as a carrier of factor VIII and has a role in platelet aggregation.

Lack of adequate numbers of red blood cells, or decreased oxygen-carrying capacity of the blood.

Hormones that regulate the growth and maturation of specific WBC populations.

Hormone secreted by the kidney that regulates the process of red blood cell formation, or erythropoiesis.

One of two protein complexes that maintain iron stores inside cells (hemosiderin is the other).

B vitamin that is a coenzyme in protein and nucleic acid metabolism.

Process of erythrocyte production that begins with primitive stem cells that reside in bone marrow.

One of two protein complexes that maintain iron stores inside cells (ferritin is the other).

Chemical substance secreted by the parietal cells in the stomach that is essential for the absorption of vitamin B12.

Type of anemia usually caused by lack of secretion of intrinsic factor.

Cell that resides in the bone marrow and is capable of maturing into any type of blood cell.

Hormone produced by the kidneys that controls megakaryocyte activity.

Protein complex that transports iron to sites in the body where it is needed.

Type of shock caused by an acute allergic reaction.

Type of shock caused by a diseased heart that cannot maintain circulation to the tissues.

Type of IV fluid consisting of large organic molecules that are unable to cross membranes.

Type of IV fluid resembling blood plasma minus proteins that is capable of crossing membranes.

Type of shock caused by loss of fluids such as occurs during hemorrhage, extensive burns, or severe vomiting or diarrhea.

Drug or chemical that changes the force of contraction of the heart.

Type of shock resulting from brain or spinal cord injury.

Type of shock caused by severe infection in the bloodstream.

Condition in which there is inadequate blood flow to meet the body's metabolic needs.

Enzyme that forms carbonic acid by combining carbon dioxide and water.

Substance that increases urine output.

Fluid in the nephron that is filtered at Bowman's capsule.

Structural and functional unit of the kidney.

Movement of filtered substances from the kidney tubule back into the blood.

Condition characterized by a decrease in the kidneys' ability to maintain electrolyte and fluid balance and excrete waste products.

In the kidney, movement of substances from the blood into the tubule after filtration has occurred.

Diagnostic test that examines urine for the presence of blood cells, proteins, pH, specific gravity, ketones, glucose, and microorganisms.

Condition of having too much acid in the blood; plasma pH below 7.35.

Condition of having too many basic substances in the blood; plasma pH above 7.45.

Negatively charged ion.

Chemical that helps maintain normal body pH by neutralizing strong acids or bases.

Positively charged ion.

Type of IV fluid consisting of large organic molecules that are unable to cross membranes.

Type of IV fluid resembling blood plasma minus proteins that is capable of crossing membranes.

Charged substances in the blood such as sodium, potassium, calcium, chloride, and phosphate.

Body fluid lying outside cells, which includes plasma and interstitial fluid.

Serum potassium level above 5 mEq/L.

High sodium level in the blood.

Serum potassium level below 3.5 mEq/L.

Low sodium level in the blood.

Body fluid that is inside cells; accounts for about two thirds of the total body water.

Number of dissolved particles, or solutes, in 1 kg (1 L) of water.

Process by which water moves from areas of low solute concentration (low osmolality) to areas of high solute concentration (high osmolality).

Measure of the acidity or alkalinity of a solution.

The ability of a solution to cause a change in water movement across a membrane due to osmotic forces.

Resistance resulting from a previous exposure to an antigen.

Protein produced by the body in response to an antigen; used interchangeably with the term immunoglobulin.

Microbes and foreign substances that elicit an immune response.

Lymphocyte responsible for humoral immunity.

Natural cytokines that boost specific functions of the immune system.

Intracellular messenger molecule to which immunosuppressants bind.

Chemicals produced by white blood cells, such as interleukins, leukotrienes, interferon, and tumor necrosis factor, that guide the immune response.

A specific body defense mechanism involving the production and release of antibodies.

Specific reaction of the body to foreign agents involving B and/or T lymphocytes.

General term that refers to drugs that affect body defenses.

Any drug, chemical, or physical agent that lowers the immune defense mechanisms of the body.

Type of cytokine secreted by T cells in response to antigens to protect uninfected cells.

Class of cytokines synthesized by lymphocytes, monocytes, macrophages, and certain other cells that enhance the capabilities of the immune system.

Defense such as inflammation that protects the body from invasion by general hazards.

Immune defense that lasts 2 to 3 weeks; obtained by administering antibodies.

Cell derived from B lymphocytes that produces antibodies.

Type of lymphocyte that is essential for the cell-mediated immune response.

Measurement of the amount of a substance in the blood.

Substance that has been chemically modified to remove its harmful nature but is still able to elicit an immune response in the body.

Recognition by the immune system of a transplanted tissue as foreign and subsequent attack on the tissue.

Inoculation with a vaccine or toxoid to prevent disease.

Biologic material that confers protection against infection; preparation of microorganism particles that is injected into a patient to stimulate the immune system,with the intention of preventing disease.

Acute allergic response to an antigen that results in severe hypotension and may lead to life-threatening shock if untreated.

Drug that lowers body temperature.

Condition of having an excessive concentration of corticosteroids in the blood; caused by excessive secretion by the adrenal glands or by overdosage with corticosteroid medication.

Key enzyme in the prostaglandin metabolic pathway that is blocked by aspirin and other NSAIDs.

Chemical released by mast cells in response to an antigen that causes dilation of blood vessels, bronchoconstriction, tissue swelling, and itching.

Nonspecific body defense that occurs in response to an injury or antigen.

Connective tissue cell located in tissue spaces that releases histamine following injury.

Class of local hormones that promote local inflammation and pain when released by cells in the body.

Aspirin belongs to this chemical family.

Poisoning due to aspirin and aspirin-like drugs.

The capacity of a microbe to no longer be affected by a drug following anti-infective pharmacotherapy.

Pertaining to an oxygen environment.

Pertaining to an environment without oxygen.

General term for any medication that is effective against pathogens.

Substance produced by a microorganism that inhibits or kills other microorganisms.

Substance that kills bacteria.

Substance that inhibits the growth of bacteria.

Chemical structure found in most penicillins and some cephalosporins.

Enzyme present in certain bacteria that is able to inactivate many penicillins and some cephalosporins.

Anti-infective that is effective against many different gram-positive and gram-negative organisms.

Laboratory exam used to identify bacteria and to determine which antibiotic is most effective.

Bacteria that do not retain a purple stain because they have an outer envelope.

Bacteria that stain purple because they have no outer envelope.

Normal microorganisms found in or on a patient.

The ability of a pathogen to grow extremely rapidly and cause direct damage to surrounding tissues by their sheer numbers.

Permanent, inheritable change to DNA.

Anti-infective that is effective against only one or a small number of organisms.

Infection acquired in a health care setting such as a hospital, physician's office, or nursing home.

Organism that is capable of causing disease.

Ability of an organism to cause disease in humans.

Enzymes used by bacteria to build bacterial cell walls that are targets for penicillins and related antibiotics.

Small piece of circular DNA found in some bacteria that is able to transfer resistance from one bacterium to another.

Rash on the upper body caused by certain anti-infectives.

New infection caused by an organism different from the one causing the initial infection; usually a side effect of anti-infective therapy.

Cavity-like lesion in the lung characteristic of infection by Mycobacterium tuberculosis.

The severity of disease that a pathogen is able to cause.

Term for the major class of drugs used to treat mycoses.

Relating to a superficial fungal infection.

Severe diarrhea that may include bleeding.

Lipid substance in fungal cell membranes.

Phase in malaria during which infected red blood cells rupture, releasing merozoites and causing fever and chills.

Kingdom of organisms that includes mushrooms, yeasts, and molds.

Type of flat, round, or segmented worm.

Tropical disease characterized by severe fever and chills caused by the protozoan Plasmodium.

Transformation of sporozoites carried by the blood to the liver inside the human host where they multiply into millions of progeny.

Diseases caused by fungi.

Antifungal class containing amphotericin B and nystatin.

Single-celled organisms that inhabit water, soil, and animal hosts.

Type of fungus that is unicellular and divides by budding.

Infection caused by the human immunodeficiency virus (HIV).

Drug that is effective against retroviruses.

Protein coat that surrounds a virus.

Protein that accepts HIV and allows entry of the virus into the T4 lymphocyte.

Viral infection of the liver.

Drug therapy for HIV infection that includes high doses of multiple medications given concurrently.

Acronym for human immunodeficiency virus-acquired immune deficiency syndrome; characterized by profound immunosuppression that leads to opportunistic infections and malignancies not commonly found in patients with functioning immune defenses.

The causative agent for AIDS.

Common viral infection; often called flu.

Infectious microbe that lives inside host cells.

Period of HIV infection during which there are no symptoms.

Process that attaches polyethylene glycol (PEG) to an interferon to extend its pharmacologic activity.

Viral enzyme that is responsible for the final assembly of the HIV virions.

Viral enzyme that converts RNA to DNA.

A measurement of HIV RNA levels in the blood which provides an estimate of how rapidly the virus is replicating.

Particle of a virus capable of causing an infection.

Nonliving particle containing nucleic acid that is able to cause disease.

Technique in which antineoplastics are administered after surgery or radiation to effect a cure.

Process by which certain chemicals attach to DNA and change its structure and function.

Hair loss.

Hormone inhibitor that blocks the enzyme aromatase, which normally converts adrenal androgen to estradiol.

Class of antineoplastics that inhibit the enzyme topoisomerase.

Malignant disease characterized by rapidly growing, invasive cells that spread to other regions of the body and eventually kill the host.

Drug treatment of cancer.

Usually applied to antineoplastic agents; degree to which an agent is likely to trigger the vomiting center in the medulla, resulting in nausea and vomiting.

The ratio of the number of replicating cells to resting cells in a tumor.

Travel of cancer cells from their original site to a distant tissue.

Inflammation of the epithelial lining of the digestive tract.

Lowest values of erythrocyte, leukocyte, and platelet counts caused by chemotherapy.

Abnormal swelling or mass; same as tumor.

Form of cancer chemotherapy intended to alleviate symptoms rather than cure the disease.

Alkaloids isolated from the bark of the Pacific yew and used for antineoplastic activity; current drugs include paclitaxel (Taxol) and docetaxel (Taxotere), but more than 19 others are being investigated.

Enzyme that assists in the repair of DNA damage.

Abnormal swelling or mass.

Agent that can cause serious tissue injury if it escapes from an artery or vein during an infusion or injection (extravasation); many antineoplastics are vesicants.

Chemical obtained from the periwinkle plant that has antineoplastic activity.

Anything that is recognized as foreign by the body's defense system; also called antigen.

Inflammation of the nasal mucosa due to exposure to allergens.

Drugs used to suppress cough.

Drug used to increase bronchial secretions.

Site located on smooth muscle cells in the bronchial tree and blood vessels that is stimulated by histamine to produce bronchodilation and vasodilation.

Drugs used to loosen thick mucus.

Adverse effect of intranasal decongestants; prolonged use causes hypersecretion of mucus and worsening nasal congestion once the drug effects wear off.

Suspension of minute liquid droplets or fine solid particles in a gas.

Chronic inflammatory disease of the lungs characterized by airway obstruction.

Rapid constriction of the airways.

Recurrent disease of the lungs characterized by excess mucus production, inflammation, and coughing.

Generic term used to describe several pulmonary conditions characterized by cough, mucus production, and impaired gas exchange.

Device used to convert a solid drug to a fine powder for the purpose of inhalation.

Terminal lung disease characterized by permanent dilation of the alveoli.

Chemical mediator of inflammation stored and released by mast cells; effects are similar to those of histamine.

Device used to deliver a precise amount of drug to the respiratory system.

Chemical derivative of caffeine.

Device used to convert liquid drugs into a fine mist for the purpose of inhalation.

Blood flow through a tissue or organ.

Severe, prolonged form of asthma unresponsive to drug treatment that may lead to respiratory failure.

Process by which air is moved into and out of the lungs.

Drug that neutralizes stomach acid.

Agent that reduces gas bubbles in the stomach and intestines, thereby decreasing bloating and discomfort.

Cells located in the mucosa of the stomach that secrete pepsinogen, an inactive form of the enzyme pepsin that chemically breaks down proteins.

Backflow of stomach contents into the esophagus.

Regurgitation of stomach contents into the esophagus.

Enzyme responsible for pumping acid onto the mucosal surface of the stomach.

Drug that inhibits the effects of histamine at its receptors in the GI tract.

Bacterium associated with a large percentage of peptic ulcer disease.

Chemical substance secreted by the parietal cells in the stomach that is essential for the absorption of vitamin B12.

Syndrome caused by the administration of calcium carbonate antacids with milk or food containing vitamin D; symptoms include headache, urinary frequency, anorexia, nausea, and fatigue.

Inner lining of the alimentary canal that provides a surface area for the various acids, bases, and enzymes to break down food.

Cells in the stomach mucosa that secretes hydrochloric acid.

Erosion of the mucosa in the alimentary canal, most commonly in the stomach and duodenum.

Involuntary wavelike contraction of smooth muscle lining the alimentary canal.

Drug that inhibits the enzyme H+K+ -ATPase.

Disorder of excess acid secretion in the stomach resulting in peptic ulcer disease.

Drug used to suppress appetite.

Drug that prevents vomiting.

Measurement of obesity determined by dividing body weight (in kilograms) by the square of height (in meters).

Substance that causes complete evacuation of the bowel.

Location in the cerebral cortex which sends sensory signals to the vomiting center.

Infrequent passage of abnormally hard and dry stools.

Chronic inflammatory bowel disease affecting the ileum and sometimes the colon.

Abnormal frequency and liquidity of bowel movements.

Vomiting.

Drug used to induce vomiting.

The capacity of a chemotherapeutic drug to cause vomiting.

Disease characterized by the presence of ulcers in the distal portion of the small intestine (Crohn's disease) or mucosal erosions in the large intestine (ulcerative colitis).

Inflammatory disease of the small or large intestine characterized by intense abdominal cramping and diarrhea.

Drug that promotes defecation.

Drugs that block the enzyme that breaks down lipids.

Uncomfortable wavelike sensation that precedes vomiting.

The passing of bulky, foul-smelling fatty stools.

Inflammatory bowel disease of the colon.

Deficiency of thiamine.

Class of yellow-red pigments that are precursors to vitamin A.

Nutrients supplied orally or by feeding tube.

Activated form of vitamin D.

Excess intake of vitamins.

Inorganic compound needed by the body in amounts of 100 mg or more daily.

Inorganic compound needed by the body in amounts of 20 mg or less daily.

The administration of high caloric nutrients via a central vein, such as the subclavian vein.

Deficiency of niacin.

Type of anemia usually caused by lack of secretion of intrinsic factor.

Inactive chemical that is converted to a vitamin in the body.

Amount of vitamin or mineral needed each day to avoid a deficiency in a healthy adult.

Deficiency of vitamin C.

Generic name for vitamin E.

Nutrition provided through a peripheral or central vein.

Lack of adequate nutrition to meet the metabolic demands of the body.

Organic compound required by the body in small amounts.

Hyposecretion of glucocorticoids and aldosterone by the adrenal cortex.

Anterior portion of the pituitary gland.

Lack of adequate corticosteroid secretion by the adrenal gland.

Hormone secreted by the anterior pituitary that stimulates the release of glucocorticoids by the adrenal cortex.

Hormone released by the posterior pituitary gland when blood pressure falls or when the osmotic pressure of the blood increases.

Resting rate of metabolism in the body.

Condition of having an excessive concentration of corticosteroids in the blood; caused by excessive secretion by the adrenal glands or by overdosage with corticosteroid medication.

Disorder marked by excessive urination due to lack of secretion of antidiuretic hormone.

Cells in the thyroid gland that secrete thyroid hormone.

Syndrome caused by hypersecretion of thyroid hormone.

Chemical secreted by endocrine glands that acts as a chemical messenger to affect homeostasis.

Condition caused by insufficient secretion of thyroid hormone.

Posterior portion of the pituitary gland.

Cells in the thyroid gland that secrete calcitonin.

Hormone secreted by the hypothalamus that affects secretions in the pituitary gland.

Height below the fifth percentile for age and gender, or more than two standard deviations below the mean (average) for age and gender.

Another name for growth hormone.

A rare, life-threatening form of thyrotoxicosis; also called thyroid crisis.

A plasma protein produced in the liver.

A type of metabolic acidosis due to an excess of ketone bodies, most often occurring when diabetes mellitus is uncontrolled.

Acts to increase blood glucose levels.

The production of "new" glucose from noncarbohydrate molecules.

Causes blood glucose to rise.

Acute complication seen in persons with type 2 diabetes, that is characterized by extreme hyperglycemia, hyperosmolarity with dehydration, the absence of ketoacidosis, and CNS dysfunction

Causes glucose to leave the blood and serum glucose to fall.

Acts to decrease blood glucose levels.

Modified human insulin with pharmacokinetic advantages, such as more rapid onset of action or prolonged duration of action.

Occurs in type 2 diabetes mellitus; although insulin is secreted, insulin receptors in target tissues become insensitive to insulin, binding of insulin to these receptors decreases, less effect is achieved.

Cell clusters in the pancreas responsible for the secretion of insulin and glucagon.

Acidic waste product of lipid metabolism that lowers the pH of the blood.

Rapid decrease in blood glucose level that stimulates the release of hormones (epinephrine, cortisol, glucagon) resulting in an elevated morning blood glucose.

Metabolic disease characterized by hyperglycemia caused by a lack of secretion of insulin by the pancreas.

Chronic metabolic disease caused by insufficient secretion of insulin by the pancreas, and a lack of sensitivity of insulin receptors.

Ruptured follicle that remains in the ovary after ovulation and secretes progestins.

Hemorrhage that occurs at abnormal times or in excessive quantity during the menstrual cycle.

Presence of endometrial tissue in nonuterine locations such as the pelvis and ovaries; a common cause of infertility.

Class of steroid sex hormones secreted by the ovary.

Hormone secreted by the anterior pituitary gland that regulates sperm or egg production.

Hormone secreted by the hypothalamus that stimulates the secretion of follicle-stimulating hormone (FSH) and luteinizing hormone (LH).

Drug therapy consisting of estrogen and progestin combinations; used to treat symptoms associated with menopause.

Inability to become pregnant after at least 1 year of frequent, unprotected intercourse.

Hormone secreted by the pituitary gland that triggers ovulation in the female and stimulates sperm production in the male.

Period of time during which females stop secreting estrogen and menstrual cycles cease.

Release of an egg by the ovary.

Agents that stimulate uterine contractions to promote the induction of labor.

Hormone secreted by the corpus luteum and placenta responsible for building up the uterine lining in the second half of the menstrual cycle and during pregnancy.

Class of local hormones that promote local inflammation and pain when released by cells in the body.

Drug used to inhibit uterine contractions.

Compounds resembling testosterone with hormonal activity commonly abused by athletes.

Steroid sex hormones that promote the appearance of masculine characteristics.

Complete absence of sperm in an ejaculate.

Nonmalignant enlargement of the prostate gland.

The major erectile tissues of the penis.

Hormone secreted by the anterior pituitary gland that regulates sperm or egg production.

Below-normal secretion of the steroid sex hormones.

Inability to obtain or sustain an erection; also called erectile dysfunction.

Hormone secreted by the pituitary gland that triggers ovulation in the female and stimulates sperm production in the male.

Interest in sexual activity.

Presence of less than 20 million sperm in an ejaculate.

Primary androgen responsible for maturation of male sex organs and secondary sex characteristics of men; secreted by testes.

Appearance of masculine secondary sex characteristics.