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| This glossary contains: 19186 medical terms |
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Aleukia
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AleukiaAbsence or extremely decreased number of leukocytes in the circulating blood.
RELATED TERMS--------------------------------------
Leukocytes
White blood cells, the blood cells responsible for fighting infection.
Blood
The life-maintaining fluid which is made up of plasma, red blood cells (erythrocytes), white blood cells (leukocytes), and platelets; blood circulates through the body's heart, arteries, veins, and capillaries; it carries away waste matter and carbon dioxide, and brings nourishment, electrolytes, hormones, vitamins, antibodies, heat, and oxygen to the tissues.
SIMILAR TERMS--------------------------------------
Aleut health
See: Artic health.
PREVIOUS AND NEXT TERMS--------------------------------------
Axis
"The axis is the second cervical vertebra (symbol: C2). It is called the ""axis"" because the uppermost cervical vertebra (called the atlas) rotates about the odontoid process of C2. The joint between the axis and atlas is a pivot type of joint. It allows the head turn."
Azotemia
A higher than normal blood level of urea or other nitrogen containing compounds in the blood. The hallmark test is the serum BUN (blood urea nitrogen) level. Usually caused by the inability of the kidney to excrete these compounds.
AZT
Zidovudine (formerly called azidothymidine [abbreviated AZT]), a drug used against human immunodeficiency virus (HIV), the virus that causes AIDS. The brand name is Retrovir.
Acetylcholine (ACH, Ach)
The neurotransmitter substance at cholinergic synapses, which causes cardiac inhibition, vasodilation, gastrointestinal peristalsis, and other parasympathetic effects. It is liberated from preganglionic and postganglionic endings of parasympathetic fibers and from preganglionic fibers of the sympathetic as a result of nerve injuries, whereupon it acts as a transmitter on the effector organ; it is hydrolyzed into choline and acetic acid by acetylcholinesterase before a second impulse may be transmitted.
Active immunization
The act of artificially stimulating the body to develop antibodies against infectious disease by the administration of vaccines or toxoids.
Aleukia
Actinolite
A basic calcium, magnesium, iron silicate, one of six naturally occurring fibrous minerals forming the group called asbestos. Occurs as translucent bright- to gray-green tough interlocking fibers which are flexible and elastic. Actinolite has not been used commercially, although it is sometimes a contaminant in asbestos-containing products.
Amosite
A basic calcium, magnesium, iron silicate, one of six naturally occurring fibrous minerals forming the group called asbestos. Occurs as straight, brittle fibers, light gray to pale brown in color. Commonly used in commercial asbestos products.
Amphibole
One of the two subgroups of minerals forming the asbestos group, distinguished by their chain-like crystal structure and chemical composition. Asbestos amphiboles include actinolite, amosite, anthophyllite, crocidolite, and tremolite.
Asbestos bodies (aka ferruginous bodies)
Asbestos bodies are a subset of ferruginous bodies, the structures formed when iron-protein deposition occurs on fibers in the body. Because asbestos is by far the most commonly occurring core material, the presence of ferruginous bodies in sputum indicates a significant past exposure to asbestos.
Acupoint (acupuncture point, she xue)
Generally, any of an indefinite number of points on or near the surface of a human or other mammal that, allegedly, are susceptible to healthful activation and communicate with internal organs.
RELATED TERMS--------------------------------------
Leukocytes
White blood cells, the blood cells responsible for fighting infection.
Blood
The life-maintaining fluid which is made up of plasma, red blood cells (erythrocytes), white blood cells (leukocytes), and platelets; blood circulates through the body's heart, arteries, veins, and capillaries; it carries away waste matter and carbon dioxide, and brings nourishment, electrolytes, hormones, vitamins, antibodies, heat, and oxygen to the tissues.
SIMILAR TERMS--------------------------------------
Aleut health
See: Artic health.
PREVIOUS AND NEXT TERMS--------------------------------------
Axis
"The axis is the second cervical vertebra (symbol: C2). It is called the ""axis"" because the uppermost cervical vertebra (called the atlas) rotates about the odontoid process of C2. The joint between the axis and atlas is a pivot type of joint. It allows the head turn."
Azotemia
A higher than normal blood level of urea or other nitrogen containing compounds in the blood. The hallmark test is the serum BUN (blood urea nitrogen) level. Usually caused by the inability of the kidney to excrete these compounds.
AZT
Zidovudine (formerly called azidothymidine [abbreviated AZT]), a drug used against human immunodeficiency virus (HIV), the virus that causes AIDS. The brand name is Retrovir.
Acetylcholine (ACH, Ach)
The neurotransmitter substance at cholinergic synapses, which causes cardiac inhibition, vasodilation, gastrointestinal peristalsis, and other parasympathetic effects. It is liberated from preganglionic and postganglionic endings of parasympathetic fibers and from preganglionic fibers of the sympathetic as a result of nerve injuries, whereupon it acts as a transmitter on the effector organ; it is hydrolyzed into choline and acetic acid by acetylcholinesterase before a second impulse may be transmitted.
Active immunization
The act of artificially stimulating the body to develop antibodies against infectious disease by the administration of vaccines or toxoids.
Aleukia
Actinolite
A basic calcium, magnesium, iron silicate, one of six naturally occurring fibrous minerals forming the group called asbestos. Occurs as translucent bright- to gray-green tough interlocking fibers which are flexible and elastic. Actinolite has not been used commercially, although it is sometimes a contaminant in asbestos-containing products.
Amosite
A basic calcium, magnesium, iron silicate, one of six naturally occurring fibrous minerals forming the group called asbestos. Occurs as straight, brittle fibers, light gray to pale brown in color. Commonly used in commercial asbestos products.
Amphibole
One of the two subgroups of minerals forming the asbestos group, distinguished by their chain-like crystal structure and chemical composition. Asbestos amphiboles include actinolite, amosite, anthophyllite, crocidolite, and tremolite.
Asbestos bodies (aka ferruginous bodies)
Asbestos bodies are a subset of ferruginous bodies, the structures formed when iron-protein deposition occurs on fibers in the body. Because asbestos is by far the most commonly occurring core material, the presence of ferruginous bodies in sputum indicates a significant past exposure to asbestos.
Acupoint (acupuncture point, she xue)
Generally, any of an indefinite number of points on or near the surface of a human or other mammal that, allegedly, are susceptible to healthful activation and communicate with internal organs.
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This dictionary contains 19186 terms.
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