| keilhau-ite | <chemical> A mineral of a brownish black colour, related to titanite in form. It consists chiefly of silica, titanium dioxide, lime, and yttria. Source: Websters Dictionary (01 Mar 1998) |
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| keirospasm | Synonym: shaving cramp. Origin: G. Keiro, to shear (05 Mar 2000) |
| Keith and Flack node | sinoatrial node |
| Keith's bundle | The bundle of modified cardiac muscle fibres that begins at the atrioventricular node as the trunk of the atrioventricular bundle and passes through the right atrioventricular fibrous ring to the membranous part of the interventricular septum where the trunk divides into two branches, the right crus of the atrioventricular bundle and the left crus of the atrioventricular bundle; the two crura ramify in the subendocardium of their respective ventricles. Synonym: fasciculus atrioventricularis, atrioventricular band, Gaskell's bridge, His' band, His' bundle, bundle of His, Keith's bundle, Kent's bundle, Kent-His bundle, ventriculonector. (05 Mar 2000) |
| Keith's node | sinoatrial node |
| Keith, Sir Arthur | <person> Scottish anatomist. Lived: 1866-1955. See: Keith's bundle, Keith's node, Keith and Flack node. (05 Mar 2000) |
| keitloa | <zoology> A black, two-horned, African rhinoceros (Atelodus keitloa). It has the posterior horn about as long as the anterior one, or even longer. Origin: Native name. Source: Websters Dictionary (01 Mar 1998) |
| kelectome | An instrument used, like the harpoon, to remove a specimen of tumour substance for examination. Origin: G. Kele, tumour, + ektome, excision (05 Mar 2000) |
| Kell | <haematology> Blood group system. The K antigen is relatively uncommon (9%) but after the Rhesus antigens is the next most likely cause of haemolytic disease of the newborn. (18 Nov 1997) |
| Kell blood group | <haematology, immunology> Blood type classification based on a group of erythrocyte antigens that is characterised by an antibody called anti-K. Multiple erythrocytic antigens that comprise at least three pairs of alternates and amorphs, determined by one complex gene or possibly several genes at closely linked loci. The system is important in transfusion reactions. Its expression involves the X chromosome. (21 Jun 2000) |
| Keller bunionectomy | <orthopaedics, procedure> Excision of the proximal portion of the proximal phalanx of the first toe. (05 Mar 2000) |
| Keller, William Lordan | <person> U.S. Surgeon. Lived: 1874-1959. See: Keller bunionectomy. (05 Mar 2000) |
| Keller-Madlener operation | <procedure, surgery> An operation for treatment of gastric ulcer located in the proximal cardia that involves 75% gastrectomy and gastrojejunostomy. (05 Mar 2000) |
| Kellie, George | <person> 18th century Scottish anatomist. See: Monro-Kellie doctrine. (05 Mar 2000) |
| Kelly clamp | A curved haemostat without teeth, introduced for gynecological surgery. (05 Mar 2000) |