| col | A crater-like area of the interproximal oral mucosa joining the lingual and buccal interdental papillae. (05 Mar 2000) |
|---|---|
| col e1 | <molecular biology> A plasmid which naturally occurs in some strains of the bacteria Escherichia coli. It codes for an E. Coli-produced antibiotic called a colicin and immunity to its self-produced colicin (so that it does not unintentionally destroy itself). It is one of a number of such plasmids, each of which code for a different type of colicin. The plasmid is useful for making cloning vectors for making recombinant DNA molecules. (09 Oct 1997) |
| Col V | A plasmid of E. Coli that codes for colicin V, that confers resistance to complement mediated killing, for a siderophore to scavenge iron and for f like pili that permit conjugation. (18 Nov 1997) |
| cola | Synonym: kola. Origin: L., Strain (imperative form). (05 Mar 2000) |
| colcemid | <drug> Methylated derivative of colchicine. (18 Nov 1997) |
| colchicine | <drug> Alkaloid (400 D) isolated from the Autumn crocus (Colchicum autumnale) that blocks microtubule assembly by binding to the tubulin heterodimer (but not to tubulin). As a result of interfering with microtubule reassembly will block mitosis at metaphase. (18 Nov 1997) |
| colchicum | A genus of poisonous, liliaceous plants. The roots (corms) of colchicum autumnale, the fall crocus or meadow saffron, yield colchicine, which is used as a biochemical tool and to treat gout. Other members of this genus yield saffron dye, flavoring agents, and aromatics. (12 Dec 1998) |
| Colchicum corm | Dried corm of Colchicum autumnale, the botanical source for colchicine, an alkaloidal drug used for the treatment of gout. (05 Mar 2000) |
| cold | <virology> A slang term that describes a viral upper respiratory infection which results from inflammation of the mucous membranes of the nasal cavity. (27 Sep 1997) |
| cold abscess | An abscess without heat or other usual signs of inflammation. Synonym: tuberculous abscess. (05 Mar 2000) |
| cold agglutination | The agglutination of red blood cells by their own serum (see autoagglutination), or by any other serum when the blood is cooled below body temperature, but most pronounced below 25캜; the phenomenon results from cold agglutinins; may be seen occasionally in the blood of apparently normal persons or as a pathologic finding in patients with primary atypical pneumonia, infectious mononucleosis, and other viral diseases, certain protozoan infections, or lymphoproliferative neoplasms. See: autoagglutination. (05 Mar 2000) |
| cold agglutination test | <investigation> A test for blood antibodies which are present in certain peculiar types of pneumonia (atypical pneumonia, Mycoplasma) (27 Sep 1997) |
| cold agglutinin | An antibody which reacts more efficiently at temperatures below 37캜. (05 Mar 2000) |
| cold agglutinins | <haematology> Antibodies that agglutinate particles with greater activity below 32쵣. They are IgM antibodies specifically reactive with blood groups I and i in humans and agglutinate red blood cells on cooling, causing Raynaud's phenomenon in vivo. (18 Nov 1997) |
| cold allergy | Physical symptoms produced by hypersensitivity to cold. (05 Mar 2000) |