| Omega-amidase | <enzyme> Catalyses the conversion of a monoamide of a dicarboxylic acid to a dicarboxylate and ammonia Registry number: EC 3.5.1.3 Synonym: alpha-keto acid omega-amidase (26 Jun 1999) |
|---|---|
| omega-chloroacetophenone | <chemical> A potent eye, throat, and skin irritant. One of its uses is as a riot control agent. Pharmacological action: irritants, tear gases. Chemical name: Ethanone, 1-phenyl-, monochloro deriv. (12 Dec 1998) |
| omega-hydroxyleukotriene E4 dehydrogenase | <enzyme> Liver microsome enzyme converts omega-hydroxyleukotriene e4 to 20-carboxyleukotriene e4 Registry number: EC 1.1.1.- Synonym: omega-hydroxy-lte4 dehydrogenase, 20-hydroxyleukotriene e4 dehydrogenase (26 Jun 1999) |
| omega-n-methylarginine | <chemical> A competitive inhibitor of nitric oxide synthetase. Pharmacological action: enzyme inhibitors. (12 Dec 1998) |
| omega-oxidation | Oxidation at the carbon atom farthest removed (ω-carbon) from the carboxyl group (carbon 1); thus, in this pathway, a dicarboxylic acid is formed; an important pathway in the degradation of prostaglandins. (05 Mar 2000) |
| omega-oxidation theory | That the oxidation of fatty acids commences at the CH3 group, i.e., the terminal or omega-group; beta-oxidation then proceeds at both ends of the fatty acid chain. (05 Mar 2000) |
| Omenn | Gilbert S., U.S. Internist, *1941. See: Omenn's syndrome. (05 Mar 2000) |
| Omenn's syndrome | <syndrome> A rapidly fatal autosomal recessive immunodeficiency disease characterised by erythroderma, diarrhoea, repeated infections, hepatosplenomegaly, and leukocytosis with eosinophilia. (05 Mar 2000) |
| omental | <anatomy> Of or pertaining to an omentum or the omenta. Source: Websters Dictionary (01 Mar 1998) |
| omental branches | Branches to the greater omentum; epiploic branches arise from the left and right gastroepiploic arteries (rami omentales arteriae gastro-omentalis sinistrae et dextrae ) opposite the gastric branches (rami gastrici ) along the greater curvature of the stomach. Synonym: rami omentales, omental branches, rami epiploicae. (05 Mar 2000) |
| omental bursa | <anatomy> An isolated portion of the peritoneal cavity lying dorsal to the stomach and extending craniad to the liver and diaphragm and caudad into the greater omentum; it opens into the general peritoneal cavity at the epiploic foramen. Synonym: bursa omentalis, lesser peritoneal cavity, lesser peritoneal sac, omental sac. (05 Mar 2000) |
| omental cake | <radiology> Mesothelioma, metastatic ovarian carcinoma (12 Dec 1998) |
| omental enterocleisis | Use of omentum to aid closure of an opening in intestine. (05 Mar 2000) |
| omental graft | A segment of omentum, with its supplying blood vessels, transplanted as a free flap to a distant area and revascularised by arterial and venous anastomoses. (05 Mar 2000) |
| omental sac | <anatomy> An isolated portion of the peritoneal cavity lying dorsal to the stomach and extending craniad to the liver and diaphragm and caudad into the greater omentum; it opens into the general peritoneal cavity at the epiploic foramen. Synonym: bursa omentalis, lesser peritoneal cavity, lesser peritoneal sac, omental sac. (05 Mar 2000) |