| Kasai, Morio | <person> 20th century Japanese surgeon. See: Kasai operation. (05 Mar 2000) |
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| Kashin, Nikolai | <person> Russian orthopedist, 1825-1872. See: Kashin-Bek disease. (05 Mar 2000) |
| Kashin-Bek disease | A form of generalised osteoarthrosis limited to areas of Asia, including the Urov river; believed to result from ingestion of wheat infected with the fungus Fusarium sporotrichiella. (05 Mar 2000) |
| kassinin | <chemical> Dodecapeptide tachykinin found in the central nervous system of the amphibian kassina senegalensis. It is similar in structure and action to other tachykinins, but is especially effective in contracting smooth muscle tissue and stimulating the micturition reflex. Chemical name: Kassinin (12 Dec 1998) |
| Kasten's fluorescent Feulgen stain | <technique> A fluorescent modification of the Feulgen stain, utilizing any one of a variety of fluorescent basic dyes to which SO2 is added; the brilliant fluorescence makes this method unusually sensitive and adaptable to cytofluorometric quantification of DNA. (05 Mar 2000) |
| Kasten's fluorescent PAS stain | <technique> A fluorescent modification of the periodic acid Schiff stain for polysaccharides which uses one of Kasten's fluorescent Schiff reagents. (05 Mar 2000) |
| Kasten's fluorescent Schiff reagents | Fluorescent analogues of Schiff's reagent which are fluorescent basic dyes lacking acidic side groups and containing one or more primary amine groups; used in cytochemical detection of DNA in Kasten's fluorescent Feulgen stain, polysaccharides in Kasten's fluorescent PAS stain, and proteins in the ninhydrin-Schiff stain; such analogues include acriflavine, auramine O, and flavophosphine N. (05 Mar 2000) |
| Kasten, Frederick | <person> U.S. Histochemist and cell biologist, *1927. See: Kasten's fluorescent Schiff reagents, Kasten's fluorescent Feulgen stain, Kasten's fluorescent PAS stain. (05 Mar 2000) |
| kasugamycin | An aminoglycoside antibioticused against bacteria andsome fungi, it isunusual because it is bacteriostatic (inhibits bacterial growth andreproduction) rather than bacteriocidal. (09 Oct 1997) |
| kat | <botany> An Arabian shrub Catha edulis) the leaves of which are used as tea by the Arabs. Source: Websters Dictionary (01 Mar 1998) |
| kata- | Alternative spelling for cata-; down. Origin: G. Kata, down (05 Mar 2000) |
| katal | Unit of catalytic activity equal to one mole of product formed (or substrate consumed) per second, as of the amount of enzyme that catalyses transformation of one mole of substrate per second. Abbreviation: kat (05 Mar 2000) |
| katathermometer | An alcohol-filled thermometer of specified design that is heated above ambient temperature and then allowed to cool; the time taken to cool between specified temperatures is a measure of the heat content of the environment that takes into account air movement as well as temperature. The bulb may be silvered to minimise radiation effects or blackened to maximise them. (05 Mar 2000) |
| Katayama | Kunika, Japanese physician, 1856-1931. See: Katayama's test. (05 Mar 2000) |
| Katayama disease | Acute early egg-laying phase of schistosomiasis, a toxaemic syndrome in heavy primary infections, rarely seen in chronic cases. It is considered a form of immune complex disease or serum sickness-like condition. Described for schistosomiasis japonica, but observed with other forms as well. Synonym: Katayama fever. Origin: town in Japan where the d. Is common (05 Mar 2000) |