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abdomen
The body cavity that contains te major organs of digestion and excretion. It is located below the diaphragm and above the pelvis.
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abduction
Motion of a limb away from the midline.
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acetabulum
The depression on the lateral pelvis where its three component bones join, in which the femoral head fits snugly.
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Adam's apple
The firm prominence in the upper part of the larynx formed by the thyoid cartilage. It is more prominent in men than in women.
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Adduction
Motion of a limb toward the midline
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adenosine triphosphate (AFP)
The nucleotide involved in energy metabolism; used to stone energy.
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Adrenal glands
Endocrine glands located on top of the kidneys that release adrenaline when stimulated by the sympathetic nervous system.
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Adrenergic
Pertaining to nerves that release the neurotransmitter norepinephrine, or noradrenaline (such as adrenergic nerves, adrenergic response). The term also pertains to the receptors acted on by norepinephrine, that is, the adrenergic receptors.
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acrobic metabolism
Metabolism that can proceed only in the presence of oxyen.
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Agonal Respirations
Slow, gasping respirations, sometimes seen in dying patents.
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Alpha-Adrenergic receptors
Portions of the nervious system that when stimulated can cause constrictriction of blood vessels.
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Alveoli
The air sacs of the lungs in which the exchange of oxygen and carbon dioxide takes place.
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Anatomic Metabolism
The metabolism that takes place in the absence or oxygen; the principal product is lactic acid.
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Anatomic Position
The position of reference in which the patent stands facing you, arms at te side, with the palms of the hands forward.
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Anterior
The front surface of the body, the side facing you in the standard anatomic position.
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aorta
The principal artery leaving the left side of the heart and carrying freshly oxyenated blood to the body.
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Apex(plural apices)
The pointed extremity of a conical structure.
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apneustic center
portion of the pons that increase the increases the length or insipiration and decrease the respiratory rate.
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appendicular skeleton
The portion of the skeletal system that comprises the arms, legs, pelvis, and the shoulder girdle.
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appendix
A small tubular structure that is attached to the lower border of the cecum in the lower right quadrant of the abdomen.
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artioles
The smallest braches of arteries leading to the vast network of capillaries.
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atrium
one of the two upper chambers of the heart
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autonomic nervous system
the part of the nervous system that regulates, such as digestions and sweating, that are not controlled voluntary.
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Axis Skeleton
The part of the skeleton comprising the skull, spinal column, and rib cage
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ball and socket joint
A joint that allows internal and external rotations, as well as bending.
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beta adrenergic receptors
portins of the nervous system that when stimulated can cause an incease in the force of contraction of the heart, an incease heart rate, and braonchial
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biceps
The large musle that appears on both sides of the midline
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bilateral
in anatomy, a body part that aperas on bothe sides on the midline
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bile ducts
The ducts that convery bilt between the liver and the intestine
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blood pressure (BP)
The pressure that the blood exerts against the walls of the arties as it passes thrugh them
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brachial artery
The major vessel in the upper extrmity that supplies blood to the arm
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brain
The controlling organ of the body and center of consciousness; functions include perception, control of reactios to the environment, emotional responses, and judgment.
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brain stem
The area of the brain between the spinal cord and cerebrum, surrounded by the cerebellum; controls functions that are necessary for life, such as respirations.
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capillary vessels
The tiny blood vessels between the arterioles and venules that permit transfer of oxygen, carbon dioxide, nutrients, and waste between body tissues and the blood.
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cardiab muscle
the heart muscle
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cardiac artery
The major artery that supplies blood to the haed and brain.
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cartilage
The spport stucture of the skeletal system that provides cushioning between bones; also forms the nasal septum and portions of the outer ear.
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cecum
The first of the large intestine, onto which ther ileum opens.
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central nervous system (CNS)
The brain and spininal cord
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cerebellum
one of the three major subdivisions of the brain, sonties called little brain; coordinates the various activites of the brain, particularly fine body movements.
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cerebrospinal fluid (CSF)
fulid produced in the ventricles of the brain that flows in the subarachnoid space and bathes the menings.
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cerebrum
The largest part of the three subdivisions of the brain, sometimes called the gray matter , made up of several lobes that control movement, hearing, balance, speech, visual perception, emotions, and personality.
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Cerevical Spine
The portion of the spinal column consisting of the first seven vertevrae that lie in the neck.
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chordae tendineae
thin bands of fibrous tissue that attach to the valves in the heart and prevent them from form innverting
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chyme
The name of the substance that leaves the stomach. It is a combination of all of the eaten food with added stomach acids
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circulatory system
The complex arrangment of connected tubes, including the arteries, artioles, capillaries, venules, and veins, that move blood, oxyen, nutrients, carbon dioxide, and cellular waste throughout the body.
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clavicle
The collarbone; it iis lateral to the sternum and anterior to the scapula
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coccyz
The last three of four vertebrae of the spine; the tailbone
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coronal plane
an imaginary plane where the bodyis cut into font and back
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cranium
The area og the head above the ears and eyes; the skull. The cranium contains the brain.
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cricoid cartilage
A frim ridge of cartilage that formsthe lower part of the larynx.
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cricothyrid membrane
A thin sheet of fascia that connects the thyoid and cricoid cartiages that make up the larnx
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dead space
Ant portion of the airway thst does contain air and cannot participate in gas exchange, such as the trachea and bronchi.
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deep
Further inside the body away form the skin
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dermis
The inner layer of the skin, comtaining hair follicles sweat glands, nerve endings, and blood vessels.
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Diaphragm
a muscular dome that forms the undersurface of the thorax, separating the chest from the abdominal cavity. Contraction of the diaphragm (and the chest wall muscles) brings air into the lungs. Relaxation allows air to be expelled form the lungs.
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Diastole
Th relaxation, or period of relaxation, of the heart especially of the ventricles.
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Diffusion
Movement of a gas form an area of higher concerntration to an area of lower concentration.
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Digestion
The processing of food the nourishes the individual cells of the body
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Distal
Father from the trunk or nearer tot he free end of the extremity.
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dorsal
the psoterior surface of the body, including the back of the hand.
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dorsalis pedis artery
The artery onthe anterior suface of the foot between the first ans second metatarals.
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Dorsal respiratory group (DRG)
A portion of the medulla oblongata where the primary respiratory pacemaker is found.
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Endocrine system
The complex message and control system that integrates many body functions, including the release of hormones.
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enzymes
Substances catalysts designed to speed up the rate of psecific biochemical reactions.
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epidermis
The Outer layer of skin, which is made up of cells that are sealed together to front a watertight protectice covering for the body.
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Epiglottis
A thin, leaf-shaped valve that allows air to pass into the trachea but prevents food and liquid from entering.
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Epinphrine
A hormone produced by the adrenal medulla that has a vital role on the function of the sympathetic nervous system.
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Esophagus
A collapsible tube that extends for the pharynx to the stomach; contractions of the muscle in the wall of the esophagus propel food and liquids through it to the stomach.
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expiratory reserve volume
The amount of air that can be exhaled following a normal exhalation; average volume is about 1,200 ml
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fallopain tubes
Long, slender tubes that extend from the uterus of to the region of thet ovary on the same side and through which the ovam passes from the uterus.
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Femonal artery
The principal artery of the thigh, a continuation of the external iliac artery. It supplies blood to the lower abdominal wall, ecternal genitalia, and legs. It can be palpated in the groin area.
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Femoral head
The proximal end of the femur, articulating with the acetabulum to form the hip joint.
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Femur
The thighbone; the longest and one of the stongest bones in the bone.
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Flexion
The bend of a joint
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formen magnum
A large opening at eh base of the skull through which the brain connects to the spinal cord
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gallbladder
a sac on th undersurface of the liver that collects bile from the liver and discharges it into duodenum through the common bile ducts
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genminal layer
The deepest layer of the epidermis where new skin cells as formed
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greater trochanter
A bony prominence on the proximal lateral side of the thigh, just below the hip joint.
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Hair follicles
The small organs that produce hair.
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Heart
A hollow muscular organ that pumps blood through out the body
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Heart Rate
The number of heartbeats during a specific time.
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Hearing Breuer reflex
A protective mechanism that terminates inhalation, thus preventing overexpansion of the lungs.
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hinge joints
Joints that can bend and straighten but cannot totate; they restrict motion to one plain.
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Hormones
Substances formed inspecialized organs or glands and carried to another organ or group of cells in the same organism. Hormones regulate many body functions, including metabolism, growth, and body temperature
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Humerus
The supporing bone of the upper arm
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Hydrostatic presure
The pressure of water against the walls of its container.
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hypoxic drive
A backup system to control respiration senses drops in the oxygen level in the blood
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ilium
One of the three bones that fuse to form the pelvic ring
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inferior vena cava
one of the two largest veins in the body; carries blood from the lower extremites and the pelvic and abdominal organs to the heart.
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inspiratory reserve volume
The amount of air that can be inhaled after a normal inhalation; the amout of air that can be inhaled in addition to the normal tidal volume.
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