| betacyaninuria | Synonym: beeturia. Origin: betacyanin + G. Ouron, urine (05 Mar 2000) |
|---|---|
| betadine | <drug> A popular tradename iodine-containing topical antiseptic agent. (27 Sep 1997) |
| betaherpesvirinae | A subfamily of herpesviridae characterised by a relatively long replication cycle. There are two genera: cytomegalovirus and muromegalovirus. (12 Dec 1998) |
| betahistine | <chemical> N-methyl-2-pyridineethanamine. A physiological histamine analog vasodilator agent that also acts as a histamine h1 receptor agonist. It is used in meniere's disease and in vascular headaches but may exacerbate bronchial asthma and peptic ulcers. Pharmacological action: histamine agonist, vasodilator agents. Chemical name: 2-Pyridineethanamine, N-methyl- (12 Dec 1998) |
| betahistine hydrochloride | 2-[2-(Methylamino)ethyl]pyridine dihydrochloride;an inhibitor of diamine oxidase used as a histamine-like agent for treatment of Meniere's disease. (05 Mar 2000) |
| betaine | <chemical> A derivative of glycine characterised by high water solubility. Can function as an osmotic agent in plant tissues. See: biogenic amines. (18 Nov 1997) |
| betaine-aldehyde dehydrogenase | An oxidizing enzyme that catalyses the oxidation of betaine aldehyde with NAD+ and water to betaine and NADH; part of the choline oxidase system and of choline metabolism. (05 Mar 2000) |
| betalains | A group of plant pigments found almost exclusively in the family Centrospermae, for example, betamin. (05 Mar 2000) |
| betamethasone | <chemical> A glucocorticoid given orally, parenterally, by local injection, by inhalation, or applied topically in the management of various disorders in which corticosteroids are indicated. Its lack of mineralocorticoid properties makes betamethasone particularly suitable for treating cerebral oedema and congenital adrenal hyperplasia. Pharmacological action: anti-asthmatic agents, steroidal anti-inflammatory agents, glucocorticoids, synthetic, glucocorticoids, topical. Chemical name: Pregna-1,4-diene-3,20-dione, 9-fluoro-11,17,21-trihydroxy-16-methyl-, (11beta,16beta)- (12 Dec 1998) |
| betamethasone 17-valerate | <chemical> 9-fluoro-11 beta,17,21-trihydroxy-16 beta-methylpregna-1,4-diene-3,20-dione-17-valerate. A synthetic glucocorticoid with high topical anti-inflammatory activity and relatively low systemic anti-inflammatory activity. Pharmacological action: steroidal anti-inflammatory agents, glucocorticoids, synthetic, glucocorticoids, topical. Chemical name: Pregna-1,4-diene-3,20-dione, 9-fluoro-11,21-dihydroxy-16-methyl-17-((1-oxopentyl)oxy)-, (11beta,16beta)- (12 Dec 1998) |
| betamimetic | <pharmacology> Stimulating or mimicking the stimulation of the beta adrenergic receptors of the sympathetic nervous systems, an agent that so acts. (18 Nov 1997) |
| betanidine sulfate | 1-benzyl-2,3-dimethylguanidine;an adrenergic blocking agent used for palliative treatment of hypertension. Synonym: betanidine sulfate. (05 Mar 2000) |
| betanin | The red pigment in beets (Beta vulgaris); elevated in urine of individuals with beeturia. Origin: fr. Betacyanin (05 Mar 2000) |
| betatron | <radiobiology> A circular electron accelerator that is a source of either high energy electrons or X-rays. (05 Mar 2000) |
| betaxolol | <chemical> 1-(4-(2-(cyclopropylmethoxy)ethyl)phenoxy)-3-((1-methylethyl)amino)-2-propanol. A cardioselective beta-1-adrenergic antagonist with no partial agonist activity. The drug is a potent antihypertensive agent and has been effective in the treatment of patients with glaucoma and airway diseases. Pharmacological action: adrenergic beta-antagonists, antihypertensive agents, sympatholytics. Chemical name: 2-Propanol, 1-(4-(2-(cyclopropylmethoxy)ethyl)phenoxy)-3-((1-methylethyl)amino)- (12 Dec 1998) |