| chestnut blight | A disease of chestnut trees caused by the fungus Enqothia parasitica. The major symptom is swollen, cracked cankers that form on the outside of the tree, spread into the tree and kills it. This disease is the primary reason why there are almost no American chestnut trees alive today. The population was decimated when the disease was introduced to America with Japanese chestnut trees. (09 Oct 1997) |
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| Chevalier-Jackson dilator | An oesophageal dilator that passes through a rigid endoscope. (05 Mar 2000) |
| chevron incision | A bilateral subcostal incision in the abdomen, in the shape of an inverted "V"; used in upper gastrointestinal, renal, or adrenal surgery. (05 Mar 2000) |
| chewing cycle | A complete course of movement of the mandible during a single masticatory stroke. (05 Mar 2000) |
| chewing force | force of mastication |
| chewing gum | A preparation of chicle, sometimes mixed with other plastic substances, sweetened and flavored. It is masticated usually for pleasure as a candy substitute but it sometimes acts as a vehicle for the administration of medication. (12 Dec 1998) |
| Cheyne, John | <person> Scottish physician, 1777-1836. See: Cheyne-Stokes psychosis, Cheyne-Stokes respiration. (05 Mar 2000) |
| Cheyne-Stokes psychosis | A mental state characterised by anxiety and restlessness, accompanying Cheyne-Stokes respiration. (05 Mar 2000) |
| cheyne-stokes respiration | A pattern of breathing with a gradual increase in the depth of respiration to a maximum, followed by a progressive decrease in the depth of respiration resulting in apnoea, characteristically seen in coma associated with severe neurological insult. (27 Sep 1997) |