| beta [Greek letter beta] | an anomer of a carbohydrate; buffer capacity; carbon separated from a carboxyl by one other carbon i... |
|---|---|
| BHK | baby hamster kidney [cells]; type-B Hong Kong [influenza virus] |
| BlT | bleeding time; blood test; blood type, blood typing |
| BT | base of tongue; bedtime; bitemporal; bitrochanteric; bladder tumor; Blalock-Taussig [shunt]; bleedin... |
| BTR | Bezold-type reflex; biceps tendon reflex |
| protoporphyrinogen type III oxidase | A mitochondrial enzyme that uses O2 to convert protoporphyrinogen type III to protoporphyrin type III in haem biosynthesis; a deficiency of this enzyme is associated with variegate porphyria. (05 Mar 2000) |
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| protoporphyrin type III | 2,7,12,18-Tetramethyl-3,8-divinylporphin-13,17dipropionic acid;the principal protoporphyrin found in nature (one of 15 possible isomers), characterised by the presence of 4 methyl groups, 2 vinyl groups, and 2 propionic acid side chains; a porphyrin derivative that, with iron, forms the haem of haemoglobin and the prosthetic groups of myoglobin, catalase, cytochromes, etc. (05 Mar 2000) |
| P-type ATPase | <enzyme> One of three major classes of ion transport ATPases, characterised by vanadate sensitivity and a phosphorylated intermediate. The archetype is the sodium pump. See: F-type ATPase, V-type ATPase. (18 Nov 1997) |
| H-type fistula | <gastroenterology, surgery> A rare form of congenital tracheoesophageal fistula in which there is no oesophageal atresia, manifest as aspiration pneumonias. Synonym: H-type tracheoesophageal fistula. (05 Mar 2000) |
| H-type tracheoesophageal fistula | <gastroenterology, surgery> A rare form of congenital tracheoesophageal fistula in which there is no oesophageal atresia, manifest as aspiration pneumonias. Synonym: H-type tracheoesophageal fistula. (05 Mar 2000) |
| serine-type D-Ala-D-Ala carboxypeptidase | <enzyme> Cleaves between d-ala residues of bacterial cell wall peptidoglycan; also catalyses transpeptidation of peptidyl-alanyl moieties that are n-acyl substituents of d-alanine Registry number: EC 3.4.16.4 Synonym: ala-ala carboxypeptidase, serine-type, dd-peptidase, d-alanyl-d-alanine-carboxypeptidase (26 Jun 1999) |
| hyperlipoproteinaemia type III | A rather uncommon form of familial hyperlipaemia characterised by the presence of lipoproteins of abnormal composition. The main abnormal lipoproteins are called beta-vldl and have a different apoprotein content and a higher proportion of cholesterol relative to triglyceride than normal vldl. (12 Dec 1998) |
| hyperlipoproteinaemia type IV | A familial disorder characterised by an isolated elevation in the plasma level of endogenously synthesised triglyceride carried in vldl. It is considered to be an autosomal dominant trait. (12 Dec 1998) |
| hyperlipoproteinaemia type v | A severe familial adult-onset hypertriglyceridemia different from that due to lipoprotein lipase deficiency. (12 Dec 1998) |
| South African type porphyria | Porphyria characterised by abdominal pain and neuropsychiatric abnormalities, by dermal sensitivity to light and mechanical trauma, by increased faecal excretion of proto-and coproporphyrin, and by increased urinary excretion of d-aminolevulinic acid, porphobilinogen, and porphyrins; due to a deficiency of protoporphyrinogen oxidase; autosomal dominant inheritance. Synonym: protocoproporphyria hereditaria, South African type porphyria. (05 Mar 2000) |
| Naegeli type of monocytic leukaemia | A variant of granulocytic leukaemia with monocytosis in the peripheral blood. Synonym: Naegeli type of monocytic leukaemia. (05 Mar 2000) |
| name bearing type | <zoology> The type genus, type species, holotype, lectotype, series of syntypes, neotype, type slide, or hapantotype, that provides the objective standard of reference whereby the application of the name of a taxon can be determined. (09 Jan 1998) |
| neoplasms by histologic type | A collective term for the various histological types of neoplasms. It is more likely to be used by searchers than by indexers and catalogers. (12 Dec 1998) |
| stream-type fish | Fish that rear for a year or more in a stream. (09 Oct 1997) |
| Nezelof type of thymic alymphoplasia | Synonym: cellular immunodeficiency with abnormal immunoglobulin synthesis. (05 Mar 2000) |