| asia, western | The geographical designation for the countries of the middle east and the countries bangladesh, bhutan, india, nepal, pakistan, and sri lanka. (12 Dec 1998) |
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| asialoglycoprotein | <protein> The carbohydrate moiety of many vertebrate glycoproteins bears terminal residues of sialic acid. If such residues are removed, for example by treatment with a neuraminidase, the resulting proteins are known as asialoglycoproteins. In the case of certain plasma proteins, the asialo derivatives are specifically bound by a receptor on the surface of liver parenchymal cells (the clearance receptor). (18 Nov 1997) |
| asialoglycoprotein receptor | A surface receptor found in hepatocytes that binds galactose-terminal glycoproteins; thus, this receptor removes those proteins from circulation and they are in turn acted upon by hepatocyte lysosomes. (05 Mar 2000) |
| asialoglycoproteins | Endogenous glycoproteins from which sialic acid has been removed by the action of sialidases. They bind tightly to their cell surface receptor which is located on hepatocyte plasma membranes. After internalization by adsorptive endocytosis they are delivered to lysosomes for degradation. Therefore receptor-mediated clearance of asialoglycoproteins is an important aspect of the turnover of plasma glycoproteins. They are elevated in serum of patients with hepatic cirrhosis or hepatitis. (12 Dec 1998) |
| asian americans | Persons living in the united states having origins in any of the original peoples of the far east, southeast asia, the pacific islands, or the indian subcontinent. (12 Dec 1998) |
| Asian influenza | A worldwide influenza, apparently originating in China in the summer of 1957, which produces a milder disease than that of the pandemic of 1917-1919. (05 Mar 2000) |
| asiarch | One of the chiefs or pontiffs of the Roman province of Asia, who had the superintendence of the public games and religious rites. Origin: L. Asiarcha, Gr.; + ruler. Source: Websters Dictionary (01 Mar 1998) |
| Asiatic cholera | <gastroenterology, microbiology> A form of infectious gastroenteritis (intestinal infection) that results in frequent watery stools, cramping abdominal pain and eventual collapse (from dehydration). Epidemic infections are seasonal in most third world countries, particularly Africa. (15 Jan 1998) |
| Asiatic schistosomiasis | Schistosomiasis caused by schistosoma japonicum. It is endemic in the far east and affects the bowel, liver, and spleen. (12 Dec 1998) |
| asiderotic anaemia | Yellowing or bleaching of plant tissues due to the loss of chlorophyll or failure of chlorophyll synthesis. Symptomatic of many plant diseases, also of deficiencies of light or certain nutrients. (18 Nov 1997) |
| asilus | <zoology> A genus of large and voracious two-winged flies, including the bee killer and robber fly. Origin: L, a gadfly. Source: Websters Dictionary (01 Mar 1998) |
| asiphonate | <marine biology> Destitute of a siphon or breathing tube; said of many bivalve shells. An asiphonate mollusk. (19 Mar 1998) |
| asiphonida | <marine biology> A group of bivalve mollusks destitute of siphons, as the oyster; the asiphonate mollusks. Origin: NL, fr. Gr. Priv. + a tube. (19 Mar 1998) |
| asitia | <medicine> Want of appetite; loathing of food. Origin: Gr.; priv. + food. Source: Websters Dictionary (01 Mar 1998) |
| ask | <zoology> A water newt. See: Asker. Source: Websters Dictionary (01 Mar 1998) |