| EDRF | Endothelium Derived Relaxing Factor |
|---|---|
| BAE | bovine aortic endothelium; bronchial artery embolization |
| BVE | binocular visual efficiency; blood vessel endothelium; blood volume expander |
| EDCF | endothelium-derived contracting factor |
| EDRF | endothelium-derived relaxing factor |
| EE | Endocardial endothelium |
|---|---|
| EDRF | Endothelium Dependent Relaxing Factor |
| EDCF | Endothelium Derived Contracting Factor |
| EDHF | Endothelium Derived Hyperpolarizing Factor |
| EDRF | Endothelium Derived Relaxing Factor |
| discontinuous | 1. Not continuous; interrupted; broken off. "A path that is zigzag, discontinuous, and intersected at every turn by human negligence." (De Quincey) 2. Exhibiting a dissolution of continuity; gaping. "Discontinuous wound. <mathematics>" Discontinuous function, a function which for certain values or between certain values of the variable does not vary continuously as the variable increases. The discontinuity may, for example, consist of an abrupt change in the value of the function, or an abrupt change in its law of variation, or the function may become imaginary. Source: Websters Dictionary (01 Mar 1998) |
|---|---|
| discontinuous culture | A technique for production of microbes or microbial products in which the organisms are grown in a closed system until one nutrient factor becomes rate-limiting. (05 Mar 2000) |
| discontinuous phase | The particles contained in a colloid solution. Synonym: discontinuous phase, dispersed phase. (05 Mar 2000) |
| discontinuous sterilization | Exposure to a temperature of 100°C (flowing steam) for a definite period, usually an hour, on each of several days; at each heating the developed bacteria are destroyed; spores, which are unaffected, germinate during the intervening periods and are subsequently destroyed. Synonym: discontinuous sterilization, intermittent sterilization, tyndallization. (05 Mar 2000) |
| endothelium | <pathology> The layer of epithelial cells that lines the cavities of the heart and of the blood and lymph vessels and the serous cavities of the body, originating from the mesoderm. Origin: Gr. Thel = nipple (18 Nov 1997) |
| endothelium camerae anterioris | A single layer of large, squamous cells that covers the posterior surface of the cornea. Synonym: endothelium camerae anterioris. (05 Mar 2000) |
| endothelium, corneal | Single layer of large flattened cells covering the surface of the cornea. (12 Dec 1998) |
| endothelium-derived growth factor synthase | <enzyme> Converts l-arginine to a smooth muscle relaxing factor and stimulates the formation of cyclic-GMP Registry number: EC 1.5.1.- Synonym: edrf synthase (26 Jun 1999) |
| endothelium derived relaxation factor | <biochemistry> This compound is produced from L arginine by the enzyme nitric oxide synthase. Acts as a potent vasorelaxant via elevation of intracellular cGMP in vascular smooth muscle. Synthesis of nitric oxide is not confined to endothelium, isoforms of nitric oxide synthase are also found in brain, neutrophils and platelets. Synonym: endothelium derived relaxation factor. Acronym: NO (29 Dec 1997) |
| endothelium-derived relaxing factor | A labile humoral agent released by the vascular endothelium that mediates the relaxation induced by some vasodilators such as acetylcholine and bradykinin. Edrf also inhibits platelet aggregation, induces disaggregation of aggregated platelets, and inhibits platelet adhesion to the vascular endothelium. These actions are believed to be mediated through stimulation of guanylate cyclase and the consequent elevation of cyclic guanosine 3',5'-monophosphate. Edrf is thought to be nitric oxide or a ready source of it. The factor is believed to be unstable and acts only locally in vivo. (12 Dec 1998) |
| endothelium, lymphatic | Unbroken cellular lining (intima) of the lymph vessels (e.g., the high endothelial lymphatic venules). It is more permeable than vascular endothelium, lacking selective absorption and functioning mainly to remove plasma proteins that have filtered through the capillaries into the tissue spaces. (12 Dec 1998) |
| endothelium of anterior chamber | A single layer of large, squamous cells that covers the posterior surface of the cornea. Synonym: endothelium camerae anterioris. (05 Mar 2000) |
| endothelium, vascular | Single pavement layer of cells which line the luminal surface of the entire vascular system and regulate the transport of macromolecules and blood components from interstitium to lumen; this function has been most intensively studied in the blood capillaries. (12 Dec 1998) |
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