| BLS | bare lymphocyte syndrome; basic life support; blind loop syndrome; blood and lymphatic system; blood... |
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| BLSA | basic life support ambulance |
| BTLS | basic trauma life support |
| CASSIS | Classification and Search Support Information System [Patent Office] |
| CDSS | clinical decision support system |
| collective-group name | 1. A name established expressly for a collective group. 2. A name established for a nominal genus or subgenus and later used for a collective group. (09 Jan 1998) |
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| wenlock group | <geology> The middle subdivision of the Upper Silurian in Great Britain; so named from the typical locality in Shropshire. Source: Websters Dictionary (01 Mar 1998) |
| compatibility group | <molecular biology> A group of plasmids (rings of DNA) which is able to coexist in the same cell with another plasmid from a different group. (05 Jan 1998) |
| platinum group | A group of six amphoteric elements: iridium, osmium, palladium, platinum, rhodium, and ruthenium. (05 Mar 2000) |
| connective tissue group | <physiology> A collective name for mucous tissue, dentin, bone, cartilage, and ordinary connective tissue, all derived from the mesenchyme. (05 Mar 2000) |
| control group | A group of subjects participating in the same experiment as another group of subjects, but which is not exposed to the variable under investigation. See: experimental group. (05 Mar 2000) |
| polar group | <chemistry> Any chemical grouping in which the distribution of electrons is uneven enabling it to take part in electrostatic interactions. (18 Nov 1997) |
| portage group | <geology> A subdivision of the Chemung period in American geology. See Chart of Geology. Origin: So called from the township of Portage in New York. Source: Websters Dictionary (01 Mar 1998) |
| posterior group of axillary lymph nodes | Node's of the axillary region located along the subscapular vein and its tributaries; they receive afferent vessels from the dorsal surface of the thorax and scapular region, and send efferent vessels to the central group of lymph nodes. Synonym: nodi lymphatici axillares subscapulares, posterior group of axillary lymph nodes. (05 Mar 2000) |
| HACEK group | A group of Gram-negative bacteria that includes Haemophilus spp., Actinobacillus actinomycetemcomitans, Cardiobacterium hominis, Eikenella corrodens, and Kingella kingae. Bacteria in this group have in common a culture requirement of an enhanced carbon dioxide atmosphere and ability to infect human heart valves. (05 Mar 2000) |
| potsdam group | <geology> A subdivision of the Primordial or Cambrian period in American geology; so named from the sandstone of Potsdam, new York. See Chart of Geology. Source: Websters Dictionary (01 Mar 1998) |
| harlech group | <geology> A minor subdivision at the base of the Cambrian system in Wales. Origin: So called from Harlech in Wales. Source: Websters Dictionary (01 Mar 1998) |
| cytophil group | The atom group in the antibody (amboceptor) that binds it to the cell. (05 Mar 2000) |
| cytoplasmic polyhedrosis virus group | <virology> A group of viruses in the family Reoviridae which infects arthropods (like spiders, insects, crustaceans, horseshoe crabs, etc.). (09 Oct 1997) |
| private blood group | A blood group that is known to have occurred in only one family and is traceable to one single person. (05 Mar 2000) |