| cerebrovascular circulation | The circulation of blood through the vessels of the brain. (12 Dec 1998) |
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| cerebrovascular disease | <cardiology, pathology> A general term which encompasses a variety of diseases which affect (via the occlusive effects of atherosclerosis) the arteries which supply the brain. See: stroke. (12 Jan 1998) |
| cerebrum | <anatomy> The portion of the brain (frontal lobes) where thought and higher function reside. (12 Jan 1998) |
| cerecloth | Gauze or cheese cloth impregnated with wax containing an antiseptic; used in surgical dressings. Origin: L. Cera, wax (05 Mar 2000) |
| ceremonial behaviour | A series of actions, sometimes symbolic actions which may be associated with a behaviour pattern, and are often indispensable to its performance. (12 Dec 1998) |
| Cerenkov | (Cherenkov) Pavel A., Russian physicist and Nobel laureate, *1904. See: Cerenkov radiation. (05 Mar 2000) |
| Cerenkov radiation | Light given off by a transparent medium when a high energy particle speeds through it at a velocity greater than that of light in that medium. (05 Mar 2000) |
| cereolysin | <protein> Cytolytic (haemolytic) toxin released by Bacillus cereus. Inactivated by oxygen, reactivated by thiol reduction (hence thiol activated cytolysin). Binds to cholesterol in the plasma membrane and rearrangement of the toxin cholesterol complexes in the membrane leads to altered permeability. (18 Nov 1997) |
| ceresin | A natural mixture of hydrocarbons of high molecular weight; a substitute for beeswax, also used in dentistry for impressions. Synonym: cerin, cerosin, earth wax, mineral wax, purified ozokerite. (05 Mar 2000) |