| MAS | magic angle spinning; Manifest Anxiety Scale; maximum average score; McCune-Albright syndrome; mecon... |
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| MDS | Master of Dental Surgery; maternal deprivation syndrome; medical data screening; medical data system... |
| OHS | obesity hypoventilation syndrome; occipital Horn syndrome; occupational health service; ocular histo... |
| PLS | Papillon-Lefevre syndrome; polydactyly-luxation syndrome; preleukemic syndrome; primary lateral scle... |
| PMS | patient management system; perimenstrual syndrome; periodic movements during sleep; phenazine methos... |
| 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) |
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| 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) |
| s-type cholinesterase | <enzyme> An enzyme that breaks down acetylcholine tostop its action. (22 May 1997) |
| S type lectin | <protein> One of two classes of lectin produced by animal cells. The classification of animal lectins into two classes, the other being the C type, was originally proposed by K.Drickamer. The carbohydrate binding activity of the S type lectins requires their cysteines to have free thiols and does not need divalent cations (c.f. C type lectins). They mostly have molecular masses in the range 14-16 kD and often form dimers and higher oligomers. The carbohydrate recognition domain contains a number of critically conserved amino acids and largely binds to _ galactosides. S type lectins certainly occur as cytoplasmic proteins but the existence of extracellular S type lectins is still a matter of debate. (18 Nov 1997) |
| nomenclatural type | The constituent element of a taxon to which the name of the taxon is permanently attached; the type of a species is preferably a strain (in special cases it may be a description, a preserved specimen or preparation, or an illustration); the type of a genus is a species; and the type of an order, family, or tribe is the genus on whose name the name of the higher taxon is based. (05 Mar 2000) |
| nutritional type cerebellar atrophy | A restricted type of cerebellar cortical degeneration, affecting particularly the Purkinje cells of the anterior and superior vermis; probably caused by thiamin deficiency; most frequently seen in chronic alcoholics and then called alcoholic cerebellar degeneration. (05 Mar 2000) |