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EKG/ECG
Electrocardiography
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HBA1c
Glycosylated hemoglobin
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T cells
Lymphocytes originating in the thymus gland
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Acute
Sharp, sudden, and intense for a short period of time.
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Alkaline Phosphatase
An enzyme present in blood and body tissue, such as bone and liver. Elevated in diseases such as those of bone and liver.
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Alopecia
Loss of hair; baldness.
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Amenorrhea
Absence of menstrual periods.
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Analgesic
Medication that reduces or eliminates pain.
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Anemia
Deficiency of hemoglobin and/or in number of red blood cells, in blood.
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Aneurysm
Localized widening of the wall of an artery, of a vein, or of the heart.
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Angina
Sharp pain in the chest resulting from a decrease in blood supply to heart muscle.
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Angioplasty
Surgical repair of a blood vessel. A tube (catheter) is placed in a clogged artery, and a balloon at the end of the tube is inflated to flatten the clogged material against the wall of the artery.
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Angiotensin
A hormone that is a powerful vasoconstrictor and raises blood pressure.
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Anterior
Located in the front (of the body or of a structure).
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Anuria
Lack of urine formation by the kidney.
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Aphasia
Absence of impairment of communication through speech.
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Arthralgia
Pain in a joint.
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Ascites
Abnormal of collection of fluid in the abdomen.
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Atrophy
Decrease in size of cells within an organ.
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Barium
Substance used as a radiopaque (x-rays cannot pass through it) contrast medium for x-ray examination of the digestive tract.
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Bilirubin
A red blood cell pigment extracted with bile from the liver into the intestine.
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Bradycardia
Slow heart beat.
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Cardiomegaly
Enlargement of the heart.
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Cardioversion
Brief discharges of electricity passing across the chest to stop a cardiac arrhythmia called defibrillation.
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Cellulits
Inflammation of soft tissue under the skin; it is marked by swelling, redness, and pain and is caused by bacterial infection.
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Cholecystectomy
Removal of the gall bladder.
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Crohn(�s) disease
Inflammation of the gastrointestinal tract (often the ileum) marked by bouts of diarrhea, abdominal cramping, and fever.
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Cirrhosis
Liver disease with deterioration of the liver cells.
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Computed tomography scan
X-ray images taken to show the body in cross-sectional views.
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Conjunctiva
Thin protective membrane over the front of the eye and attached to the eyelids.
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Cortisol
Anti-inflammatory hormone secreted by the adrenal cortex.
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Creatinine
Nitrogen-containing waste that is removed from the blood by the kidney and excreted in the urine.
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Cyanosis
Bluish discoloration of the skin due to deficient oxygen in the blood stream.
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Cystitis
Inflammation of the urinary bladder.
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Debridement
Removal of diseased tissue from the skin.
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Dermatitis
Inflammation of the skin.
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Diverticula
Small pouches or sacks created by herniation of mucous membrane linings, most commonly in the colon.
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Dyspnea
Painful (labored, difficult) breathing.
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Dysuria
Painful or difficult urination.
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Edema
Swelling in tissues. It is often caused by retention of fluid and salts by the kidneys.
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Electrolyte
Substances that conduct an electrical current and are found in blood and body cells.
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Embolus
Foreign object (air, tissue, tumor or clot) that circulates in the blood stream until it lodges in a vessel.
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Encephalopathy
Disease of the brain.
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Endoscopy
Process of viewing the inside of hollow organs or cavities.
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Endocrine glands
Organs that produce (secrete) hormones.
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Epinephrine
Hormone secreted by the adrenal gland in response to stress and physical injury.
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Epithelial
Pertaining to skin cells.
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Erythrocyte
Red blood cell.
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Exacerbation
Increase in the seriousness of a disease, with greater intensity in the signs or symptoms.
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Excision
Act of cutting out, removing, or resecting.
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Fibrillation
Rapid, irregular, involuntary muscular contraction. Atrial and ventricular fibrillation are cardiac(heart)arhythmias.
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Fistula
Abnormal passageway from an internal organ to the body surface or between two internal organs.
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Gastroenteritis
Inflammation of the stomach and intestines.
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Gland
Group of cells that secretes chemicals to the outside of the body or hormones directly into the bloodstream.
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Glucocorticoid
Hormone secreted by the adrenal gland to raise blood sugar levels.
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Goiter
Enlargement of the thyroid gland.
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Hematemiesis
Vomiting of blood.
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Hematoma
Mass or collection of blood under the skin.
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Hemodialysis
Use of a kidney machine to filter blood to remove waste materials such as urea.
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Hemoglobin
Oxygen-carrying protein found in red blood cells.
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Hepatic
Pertaining to the liver
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Hernia
Bulge or protrusion of an organ or part of an organ through the wall of the cavity that usually contains it.
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Hodgkin(�s) disease
Malignant tumor of the lymph nodes.
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Hyperglycemia
Higher than normal levels of sugar in the blood.
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Hypertrophy
Enlargement or overgrowth of an organ or part of the body as a result of increase in size of individual cells.
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Hypotensive
Pertaining to low blood pressure or to a person with abnormally low blood pressure.
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Iatrogenic
Pertaining to a patient's abnormal condition that results unexpectedly from a specific treatment.
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Ileum
Third part of the small intestine.
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Infarction
Area of dead tissue caused by decreased blood flow to that part of the body.
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Infiltrate
Material that accumulates in an organ.
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Inflammatory bowel disease
Disorder of the small and large intestines marked by bouts of diarrhea, abdominal cramping, and fever.
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Inguinal
Pertaining to the groin or the area where the legs meet the body.
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Ischemia
Deficiency of blood flow to a part of the body caused by narrowing or obstruction of blood vessels.
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Jaundice
Orange-yellow coloration of the skin and other tissues.
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Jejunum
Second part of the small intestine.
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Laparoscopy
Visual examination of the abdomen. A small incision is made near the navel, and an instrument is inserted to view abdominal organs.
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Lesion
Damage to a part of the body caused by disease or trauma.
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Leukemia
Increase in malignant white blood cells in blood and bone marrow.
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Leukocyte
White blood cells.
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Ligament
Connective tissue that joins bones to other bones.
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Lobe
Part of an organ, especially of the brain, lungs or glands.
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Lumbar vertebrae
A backbone in the region between the chest and lower back.
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Malignant
Tending to become progressively worse.
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Mastitis
Inflammation of the breast.
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Mediastinum
Space between the lungs and the chest.
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Medullary
Pertaining to the inner, or soft, part of an organ.
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Meninges
Membranes surrounding the brain and spinal cord.
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Menorrhea
Normal discharge of blood and tissue from the uterine lining during menstruation.
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Mesothelioma
Malignant tumor of the lining of the pleura.
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Metastasis
Spread of a cancerous tumor to a distant organ or location.
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Multiple Sclerosis
Chronic neurologic disease in which there are patches of demyelination throughout the brain and spinal cord.
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Muscular dystrophy
Group of degenerative muscle diseases that cause crippling because muscles are gradually weakened and eventually atrophy.
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Myelin sheath
Fatty covering around part (axon) of nerve cells.
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Myelodysplasia
Abnormal development of bone marrow, a pre-malignant condition leading to leukemia.
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Myeloma
Malignant tumor originating in the bone marrow.
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Myoma
Tumor (benign) of muscle.
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Myositis
Inflammation of a muscle.
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Nephrolithiasis
Condition of kidney stones.
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Neonatal
Pertaining to new birth; the first four weeks after birth.
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Neuropathy
Disease of nervous tissue.
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Nocturia
Excessive urination at night.
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Nosocomial
Pertaining to or originating in a hospital.
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Ocular
Pertaining to the eye.
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Oncogenic
Pertaining to producing tumors.
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Oncology
The study of tumors.
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Oophorectomy
Removal of an ovary or ovaries.
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Orchiectomy
Removal of a testicle or testicles.
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Osteomyelitis
Inflammation of a bone and bone marrow.
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Osteopenia
Deficiency of bone tissue.
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Osteoporosis
Decrease in bone mass with formation of pores or spaces in normally mineralized bone tissue.
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Otitis
Inflammation of an ear.
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Pancreas
Gland that produces digestive juices (exocrine function) and the hormone insulin (endocrine function)
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Parathyroid hormone
Hormone secreted to maintain a constant concentration of calcium in the blood and bones.
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Peptic ulcer
Sore (lesion) of the mucous membrane lining the first part of the small intestine (duodenum) or lining the stomach.
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Periosteum
Membrane that surrounds bone.
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Peritoneal fluid
Fluid produced in the abdominal cavity.
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Phlebitis
Inflammation of a vein.
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Phrenic
Pertaining to the diaphragm.
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Pineal gland
Small endocrine gland within the brain that secretes the hormone melatonin, whose exact function is unclear.
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Platelet
Cell in the blood that aids clotting; a thrombocyte.
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Pleura
Double membrane that surrounds the lungs.
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Pneumonectomy
Removal of a lung.
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Pneumothorax
Abnormal accumulation of air in the space between the pleura.
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Polycythemia
Increase in red blood cells.
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Polydipsia
Excessive thirst.
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Polyp
A growth or mass protruding from a mucous membrane.
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Prolapse
To move out of place; especially for an internal organ to protrude beyond its normal position.
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Rectocele
Hernia (protrusion) of the rectum into the vagina
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Renal calculus
Kidney stones
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Resection
Removal (excision) of an organ or a structure
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Retrogastric
Pertaining to behind the stomach
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Rheumatoid arthritis
Chronic inflammatory disease of the joints and connective tissue that leads to deformed joints
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Rhinitis
Inflammation of the nose
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Sacral region
Five fused bones in the lower back, below the lumbar bones and wedged between two parts of the hip (ileum)
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Salpingectomy
Removal of a fallopian (uterine) tube
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Sarcoidosis
Chronic, progressive disorder of cells in connective tissue, spleen, liver, bone marrow, lungs, and lymph nodes
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Sclera
White, outer coat of the eyeball
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Sebaceous gland
Oil-producing gland in the skin
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Septic
Pertaining to infection
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Spleen
Organ in the left upper quadrant of the abdomen that stores blood cells, and destroys red blood cells while producing white blood cells called lymphocytes
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Sputum
Material expelled from the lungs through the mouth
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Spondylosis
Abnormal condition of a vertebra or vertebrae
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Systemic lupus erythematosus
Chronic inflammatory disease affecting many systems of the body (joints, skin, kidneys, and nerves)
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Tachycardia
Condition of fast, rapid heartbeat.
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Thoracentesis
Surgical puncture of the chest to remove fluid.
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Thoracic
Pertaining to the chest.
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Thoractomy
Incision of the chest.
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Thrombocyte
Clotting cell; a platelet.
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Thrombosis
Abnormal condition of clot formation.
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Thrombophlebitis
Inflammation of a vein accompanied by formation of a clot
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Thyroxine
Hormone secreted by the thyroid gland. Also known as T4.
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Tinnitus
Noise in the ears, such as ringing, roaring, or buzzing.
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Tissue capillaries
Tiny blood vessels that lie near cells and through whose walls gasses, food, and waste material passes.
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Tomography
Series of x-ray images that show an organ in depth by producing images of single tissue planes.
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Transdermal
Pertaining to through the skin.
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Tricuspid valve
Fold of tissue between the upper and lower chambers on the right side of the heart.
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Triglyceride
Fat consisting of three molecules of fatty acid and glycerol.
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Tuberculosis
Infectious, inflammatory disease that commonly affects the lungs, although it can occur in any part of the body.
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Tympanic membrane
Eardrum.
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Ulcerative colitis
Recurrent inflammatory disorder marked by ulcers in the large bowel.
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Ulna
One of two lower arm bones located on the little finger side of the hand.
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Ultrasound
Sound waves with greater frequency that can be heard by the human ear. This energy is used to detect abnormalities by beaming the waves into the body and recording echoes that reflect off tissues.
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Upper GI series
Barium is swallowed and x-ray images of the esophagus, stomach and small intestine are taken.
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Urea
Chief nitrogen-containing waste that the kidney removes from the blood and eliminates from the body in urine.
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Uremia
Abnormal condition of excessive amounts of urea in the bloodstream.
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Ureter
One of two tubes that lead from the kidney to the urinary bladder.
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Urologist
Specialist in operating on the urinary tract in males and the reproductive tract in males.
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Valve
Natural structure or artificial device that prevents backward flow of fluid.
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Varicocele
Swollen, twisted veins within the spermatic cord, above the testes.
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Varix
Enlarged, swollen, tortuous veins (pleural: varices).
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Vasculitis
Inflammation of blood vessels.
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Vasoconsrictor
Drug that narrows blood vessels, especially small arteries.
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Ventricular arrhythmias
Abnormal heart rhythm originating in the lower chamber of the heart.
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Vesical
Pertaining to the urinary bladder.
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Visceral
Pertaining to internal organs.
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