Medical Dictionary Definitions A-Z List
Medical Dictionary Definitions A - Z - «C»:
Chronic tamponade: A situation in which a chronic
excess of fluid inside the
pericardial sac and thickening of the pericardial sac
the heart and impair its performance. The excess fluid in
sac acts to constrict the heart. The word "tamponade" comes
Chronic wasting disease
Chronic wasting disease: A transmissible spongiform encephalopathy (TSE) of North American deer and elk, a progressive neurodegenerative disorder that produces spongiform changes in the brain and chronic weight loss leading to the death of these animals. There is no known relationship between chroni...
Chronicity: Characterized by long duration. The state
of being chronic....
Churg-Strauss syndrome: A disease characterized by inflammation of small arteries and veins in persons with a history of asthma or allergy. Aside from the inflammation of blood vessels (angiitis or vasculitis), there are abnormally large number of certain white blood cells (eosinophils) and inflamm...
Chyle: A fluid consisting of a mixture of lymphatic fluid (lymph) and chylomicrons that has a milky appearance. Chylomicrons are small fat globules composed of protein and lipid (fat) which are combined in the lining of the intestine. Chylomicrons are found in the blood and in lymphatic fluid where ...
Chylomicron: A small fat globule composed of protein and lipid (fat). Chylomicrons are found in the blood and lymphatic fluid where they serve to transport fat from its port of entry in the intestine to the liver and to adipose (fat) tissue. After a fatty meal, the blood is so full of chylomicrons t...
Chyme: A pre-digested, acidified mass of food
that passes from the stomach into the small intestine....
Ci (Curie): Ci is the abbreviation for a
Curie, a unit of radioactivity. (Specifically, the quantity of any
radioactive nuclide in which the number of disintegrations per second
is 3.7 X 10 to the 10th). Named for Marie and Pierre Curie who did
pioneering research in radioactivity, distinguish...
CIC: Completely-in-the-canal (the ear canal). See: Completely-in-the-canal hearing aid. See also: Hearing aid....
-cidal: Suffix indicating killing, as in
bacteriocidal (capable of killing bacteria) and in suicidal (the killing of oneself)....
-cide: Suffix indicating killing or killer, as in
bactericide (a solution capable of killing bacteria)....
Cider vinegar diet
Cider vinegar diet: The cedar vinegar diet is a weight loss plan based
upon the consumption of one, two, or three teaspoons of apple cider vinegar
before each meal. The purported "fat burning effects" of consumption of apple
cider vinegar have not been scientifically proven, and the cider vinegar...
Cigar: A small roll of tobacco leaf for smoking. The word "cigar," from the Spanish "cigarro," first appeared in English in 1730.
In 1998, a National Cancer Institute report outlined cause-and-effect connections between cigar smoking and disease, including cancer of the mouth and lungs, heart diseas...
Cigarette: A small roll of finely cut tobacco enclosed in a wrapper of thin paper designed for smoking.
"Cigarettes are the only product sold on the free market that, when used as directed, can kill people." (L Chasan-Taber & M Stampfer, New Engl J Med 2001;345:1841-2)
The word "cigarette" is the F...
Ciguatera: Seafood poisoning due to ciguatoxin, a toxin acquired by eating fish that have consumed toxic single-celled marine organisms called dinoflagellates or fish that have consumed other fish that have become toxic. When someone eats these fish, they suffer seafood poisoning.
Ciguatera can ca...