Medical Dictionary Definitions A-Z List
Medical Dictionary Definitions A - Z - «C»:
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Chloride
Chloride: The major anion (negatively charged substance) in the blood and extracellular fluid (the body fluid that lies outside cells). Blood and other body fluids have almost the same concentration of chloride ion as sea water. The balance of chloride ion (Cl-) is closely regulated by the body.
Sig...
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Chlorinated camphene
Chlorinated camphene: See: Toxaphene....
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Chloroacetophenone
Chloroacetophenone: A riot control agent or "tear gas." See: Riot control agent poisoning....
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Chlorobenzylidenemalononitrile
Chlorobenzylidenemalononitrile: A riot control agent or "tear gas." See: Riot control agent poisoning....
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Chloroform
Chloroform: A clear volatile
liquid with a strong smell like ether, chloroform was once administered by inhalation to produce anesthesia and given as
an analgesic (to relieve pain) and a remedy for cough. It is quite toxic to the
kidney and the liver.
Sir James Young Simpson, a prominent obstetri...
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Chloropicrin
Chloropicrin: A riot control agent or "tear gas." See: Riot control agent poisoning....
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Chloroprene
Chloroprene: A possible carcinogen (cancer-causing agent) primarily used in the production of the elastomer polychloroprene (neoprene).
The US government in 2000 classified chloroprene as "reasonably anticipated to be a human carcinogen." In laboratory animal studies of chloroprene, cancer was obse...
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Chlorpyrifos
Chlorpyrifos: An insecticide that has adverse neurological effects. Also known as Dursban.
Chlorpyrifos causes weakness, vomiting, diarrhea and other ill effects in children. It can also cause blurred vision and memory loss.
Anyone can be exposed when the chemical is applied in a backyard or a bu...
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Chlortetracycline
Chlortetracycline: The first drug of the tetracycline family, to be introduced (in 1948). For more information, see: Tetracycline....
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Choana
Choana: (Plural: choanae) The passageway from the back of one side of the nose to the throat. There are two choanae, one on either side of the nose. The choanae must be open to permit breathing through the nose. The noun choana is less used than the adjective choanal, as in choanal atresia (blockage...
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Choanae
Choanae: The plural of choana....
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Choanal
Choanal: Pertaining to the choana, the passageway from the back of one side of the nose to the throat. The choana is shaped like an inverted funnel which opens into the upper throat. The choanae must be open to permit breathing through the nose. Choanal atresia is blockage of the choanal passageway ...
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Choanal atresia
Choanal atresia: Blockage of the choana, the passageway from the back of one side of the nose to the throat. The choana is shaped like an inverted funnel which opens into the upper throat. There are two choanae. The choanae must be open to permit breathing through the nose. Choanal atresia can occur...
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Choanal stenosis
Choanal stenosis: Abnormal narrowing of the choana, the passageway from the back of one side of the nose to the throat. The choana is shaped like an inverted funnel which opens into the upper throat. There are two choanae. The choanae must be open to permit breathing through the nose. Choanal stenos...
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Chocolate
Chocolate: A food or flavoring made from the seeds of the cacao or chocolate tree. Chocolate is rich in flavinoids, compounds that act as antioxidants. Flavinoids may also lower blood pressure and improve blood flow, by regulating the synthesis of nitric oxide, which dilates blood vessels. Flavinoi...