| fenestration | 1. The arrangement and proportioning of windows; used by modern writers for the decorating of an architectural composition by means of the window (and door) openings, their ornaments, and proportions. 2. <anatomy> The state or condition of being fenestrated. Source: Websters Dictionary (01 Mar 1998) |
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| fenestration operation | A rarely used surgical procedure producing an opening from the external auditory canal to the membranous labyrinth to improve hearing in hearing impairment of the conduction type. (05 Mar 2000) |
| fenestration, labyrinth | The surgical creation of a new opening in the labyrinth of the ear for the restoration of hearing in cases of otosclerosis. (12 Dec 1998) |
| fenestrule | <zoology> One of the openings in a fenestrated structure. Origin: L. Fenestrula a little window, dim. Of fenestra a window. Source: Websters Dictionary (01 Mar 1998) |
| fenethylline hydrochloride | 7-2-[(alpha-Methylphenethyl)amino]ethyltheophylline hydrochloride;an analeptic. (05 Mar 2000) |
| fenfluramine | <chemical> A centrally active drug that apparently both blocks serotonin uptake and provokes transport-mediated serotonin release. It is used in the treatment of obesity, and has been suggested as treatment for several psychiatric disorders thought to involve serotonergic systems. Unlike most appetite depressants it tends to cause central nervous system depression rather than stimulation. Pharmacological action: appetite depressants, serotonin agents, serotonin uptake inhibitors. Chemical name: Benzeneethanamine, N-ethyl-alpha-methyl-3-(trifluoromethyl)- (12 Dec 1998) |
| fenfluramine hydrochloride | N-Ethyl-alpha-methyl-m-(trifluoromethyl)phenethylamine hydrochloride;an anorexigenic agent. (05 Mar 2000) |
| fengite | <chemical> A kind of marble or alabaster, sometimes used for windows on account of its transparency. Source: Websters Dictionary (01 Mar 1998) |
| fenitrothion | <chemical> An organothiophosphate cholinesterase inhibitor that is used as an insecticide. Pharmacological action: cholinesterase inhibitor, insecticide, organothiophosphate. Chemical name: Phosphorothioic acid, O,O-dimethyl O-(3-methyl-4-nitrophenyl) ester (12 Dec 1998) |
| fenitrothion phosphatase | <enzyme> From alcaligenes nc5, microbe from soil treated with fensulfothion; hydrolytically cleaves fensulfothion and structurally related organophosphorus cpds Registry number: EC 3.1.3.- Synonym: fnt phosphatase, fensulfothion phosphatase (26 Jun 1999) |
| Fenn effect | The increased liberation of heat in a stimulated muscle when it is allowed to do mechanical work; the amount of heat liberated is increased in proportion to the distance the muscle is allowed to shorten and in proportion to the tension it must develop (e.g., the weight it lifts) during shortening; thus increased chemical energy is consumed both to liberate increased heat and to do increased mechanical work. (05 Mar 2000) |
| Fenn, Wallace Osgood | <person> U.S. Physiologist, 1893-1971. See: Fenn effect. (05 Mar 2000) |
| fennec | <zoology> A small, African, foxlike animal (Vulpes zerda) of a pale fawn colour, remarkable for the large size of its ears. Origin: Ar. Fanek. Source: Websters Dictionary (01 Mar 1998) |
| fennel | <botany> A perennial plant of the genus Faeniculum (F.vulgare), having very finely divided leaves. It is cultivated in gardens for the agreeable aromatic flavor of its seeds. "Smell of sweetest fennel." (Milton) "A sprig of fennel was in fact the theological smelling bottle of the tender sex." (S. G. Goodrich) Azorean, or Sweet, fennel, (Faeniculum dulce). It is a smaller and stouter plant than the common fennel, and is used as a pot herb. Dog's fennel (Anthemis Cotula), a foul-smelling European weed; called also mayweed. <botany> Fennel flower, the distilled water of fennel seed. It is stimulant and carminative. Giant fennel (Ferula communis), has stems full of pith, which, it is said, were used to carry fire, first, by Prometheus. Hog's fennel, a European plant (Peucedanum officinale) looking something like fennel. Origin: AS. Fenol, finol, from L. Feniculum, faeniculum, dim. Of fenum, faenum, hay: cf. F. Fenouil. Cf. Fenugreek. Finochio. Source: Websters Dictionary (01 Mar 1998) |
| fenoldopam | <chemical> A dopamine d1 receptor agonist that is used as an antihypertensive agent. It lowers blood pressure through arteriolar vasodilation. Pharmacological action: antihypertensive agents, dopamine agonists, vasodilator agents. Chemical name: 1H-3-Benzazepine-7,8-diol, 6-chloro-2,3,4,5-tetrahydro-1-(4-hydroxyphenyl)- (12 Dec 1998) |