| 'Greek letter alpha' | angular acceleration; first [carbon atom next to the carbon atom bearing the active group in organic... |
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| APG | acid-precipitated globulin; ambulatory patient group; animal pituitary gonadotropin; antegrade pyelo... |
| ASG | advanced cell group; American Society for Genetics; Army Surgeon General; aspermiogenesis |
| AVG | ambulatory visit group |
| AZO | [indicates presence of the group -N:N-] |
| 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) |
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| 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) |
| sandfly fever group viruses | A group of viruses in the genus phlebovirus of the family bunyaviridae transmitted by the sandfly, phlebotomus papatasii, and causing a short febrile illness in humans. The sandfly fever sicilian virus, the type species of the phlebovirus genus, is not part of this group. (12 Dec 1998) |
| prosthetic group | A tightly bound nonpolypeptide structure required for the activity of an enzyme or other protein, for example the haem of haemoglobin. (18 Nov 1997) |
| high-mobility group protein | <protein> An HMG protein is one of a group of various different proteins which are somehow involved with chromatin, but which are not histones and whose exact function is not known. (09 Oct 1997) |
| high mobility group proteins | Family of small, nonhistone, nuclear proteins. Some appear to be involved in controlling transcription. (18 Nov 1997) |
| histo-blood group B transferase | <enzyme> Catalyses transfer of galactose from udp-galactose to glycoproteins and glycolipids; differs from a transferase by four amino acid residues Registry number: EC 2.4.1.- Synonym: b transferase, histo-blood group (26 Jun 1999) |
| psychotherapy, group | A form of therapy in which two or more patients participate under the guidance of one or more psychotherapists for the purpose of treating emotional disturbances, social maladjustments, and psychotic states. (12 Dec 1998) |
| hordeivirus group | A group of plant viruses which primarily infect wheat, oats, and barley. They are rigid and rod-shaped, and are transmitted by seed and mechanically. (09 Oct 1997) |