| metronidazole | <chemical> Antiprotozoal used in amebiasis, trichomoniasis, giardiasis, and as treponemacide in livestock. It has also been proposed as a radiation sensitiser for hypoxic cells. According to the fourth annual report on carcinogens (ntp 85-002, 1985, p133), this substance may reasonably be anticipated to be a carcinogen (merck, 11th ed). Pharmacological action: antitrichomonal agents, carcinogens, radiation-sensitizing agents. Chemical name: 1H-Imidazole-1-ethanol, 2-methyl-5-nitro- (12 Dec 1998) |
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| bacterial capsules | An envelope of loose gel surrounding a bacterial cell which is associated with the virulence of pathogenic bacteria. Some capsules have a well-defined border, whereas others form a slime layer that trails off into the medium. most capsules consist of relatively simple polysaccharides but there are some bacteria whose capsules are made of polypeptides. (12 Dec 1998) |
| brood capsules | Small hollow projections from the lining membrane of a hydatid cyst from which the scoleces arise. (05 Mar 2000) |
| capsules | Hard or soft, soluble containers of a suitable substance, for enclosing a dose of medicine, usually for oral administration. (12 Dec 1998) |