| agmatine | <chemical> Decarboxylated arginine, isolated from several plant and animal sources, e.g., pollen, ergot, herring sperm, octopus muscle. Chemical name: Guanidine, (4-aminobutyl)- (12 Dec 1998) |
|---|---|
| agmen | An obsolete term for aggregation. Origin: L. A multitude (05 Mar 2000) |
| agmen peyerianum | Lymphoid organs located in the sub mucosal tissue of the mammalian gut containing very high proportions of IgA secreting precursor cells. The patches have B and T dependent regions and germinal centres. A specialised epithelium lies between the patch and the intestine. Involved in gut associated immunity. (18 Nov 1997) |
| agminate | Collected together, thereby forming a cluster, clump, or mass of individual units. Synonym: agglomerate, agglomerated, agminate, agminated. (05 Mar 2000) |
| agminate glands | Lymphoid organs located in the sub mucosal tissue of the mammalian gut containing very high proportions of IgA secreting precursor cells. The patches have B and T dependent regions and germinal centres. A specialised epithelium lies between the patch and the intestine. Involved in gut associated immunity. (18 Nov 1997) |
| agminated | <physiology> Grouped together; as, the agminated glands of Peyer in the small intestine. Origin: L. Agmen, agminis, a train, crowd. Source: Websters Dictionary (01 Mar 1998) |
| agnate | 1. Related or akin by the father's side; also, sprung from the same male ancestor. 2. Allied; akin. "Agnate words." "Assume more or less of a fictitious character, but congenial and agnate with the former." (Landor) Origin: L. Agnatus, p. P. Of agnasci to be born in addition to; ad + nasci (for gnasci) to be born. Cf. Adnate. A relative whose relationship can be traced exclusively through males. Origin: Cf. F. Agnat. Source: Websters Dictionary (01 Mar 1998) |
| agnathia | Congenital absence of the lower jaw, usually accompanied by approximation of the ears. See: otocephaly, synotia. Origin: G. A-priv. + gnathos, jaw (05 Mar 2000) |
| agnathous | Relating to agnathia. (05 Mar 2000) |
| agnatic | Pertaining to descent by the male line of ancestors. "The agnatic succession." Origin: Cf. F. Agnatique. Source: Websters Dictionary (01 Mar 1998) |
| agnation | 1. Consanguinity by a line of males only, as distinguished from cognation. Origin: L. Agnatio: cf. F. Agnation. Source: Websters Dictionary (01 Mar 1998) |
| agnea | Synonym: agnosia. Origin: G. Agnoia, want of perception (05 Mar 2000) |
| agnogenic | Synonym: idiopathic. Origin: G. A-priv. + gnosis, knowledge, + genesis, origin (05 Mar 2000) |
| agnogenic myeloid metaplasia | A progressive disease of the bone marrow where neoplastic bone marrow stem cells lodge and grow in multiple sites outside the bone marrow. Typically, there is enlargement of the spleen and a gradual replacement of the bone marrow elements by fibrosis (scarring), progressive anaemia and variable changes in the number of white blood cells and platelets. Diagnosis is by bone marrow biopsy. There is no definitive treatment for this disorder that has been shown to affect life span favorably. Origin: Gr. Plassein = to form (27 Sep 1997) |
| agnoiolgy | <psychology> The doctrine concerning those things of which we are necessarily ignorant. Origin: Gr. Ignorance. Source: Websters Dictionary (01 Mar 1998) |