| farnesyltranstransferase | <enzyme> Condenses farnesyl diphosphate with isopentenyl diphosphate to form geranylgeranyl diphosphate; in archaebacteria is a bifunctional enzyme synthesizing both farnesyl diphosphate and geranylgeranyl diphosphate Registry number: EC 2.5.1.29 Synonym: ggdp synthase, geranylgeranyl-diphosphate synthase, ggpp synthase, geranylgeranyl pyrophosphatase, farnesyl diphosphate-geranylgeranyl diphosphate synthase, farnesyltransferase, short chain isoprenyl diphosphate synthase, idsa gene product (26 Jun 1999) |
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| farnoquinone | Hexaprenylmenaquinone; prenylmenaquinone-6; 2-methyl-3-hexaprenyl-1,4-naphthoquinone;isolated from putrified fish meal; potency is about 60% of that of phylloquinone (vitamin K1). Synonym: farnoquinone, vitamin K2, vitamin K2(30). (05 Mar 2000) |
| Farnsworth, Dean | <person> U.S. Naval officer, 1902-1959. See: Farnsworth-Munsell colour test. (05 Mar 2000) |
| Farnsworth-Munsell colour test | A test for colour perception; the task is to arrange 84 colour disks (in four separate racks of 20-22 disks) in a sequence with minimal separation of hue between adjacent disks. (05 Mar 2000) |
| Farr type assay | <investigation> Method of radioimmunoassay in which free antigen remains soluble and antibody antigen complexes are precipitated. (18 Nov 1997) |
| Farr's law | The curve of cases of an epidemic rises rapidly at first, then climbs slowly to a peak from which the fall is steeper than the previous rise. (05 Mar 2000) |
| Farr, William | <person> English medical statistician, 1807-1883. See: Farr's law. (05 Mar 2000) |
| Farrant's mounting fluid | An aqueous solution containing gum arabic, arsenic trioxide, glycerol, and water, used in mounting histologic sections directly from water; some modifications involve addition of potassium acetate to bring the pH up to neutrality and substitution of other preservatives like cresol or thymol for arsenic trioxide. (05 Mar 2000) |
| Farre's line | A whitish line marking the insertion of the mesovarium at the hilum of the ovary. (05 Mar 2000) |
| Farre, Arthur | <person> English obstetrician and gynecologist, 1811-1887. See: Farre's line. (05 Mar 2000) |
| farrier | 1. A shoer of horses; a veterinary surgeon. Origin: OE. Farrour, ferrer, OF. Ferreor, ferrier, LL. Ferrator, ferrarius equorum, from ferrare to shoe a horse, ferrum a horseshoe, fr. L. Ferrum iron. Cf. Ferreous. Source: Websters Dictionary (01 Mar 1998) |
| farriery | 1. The art of shoeing horses. 2. The art of preventing, curing, or mitigating diseases of horses and cattle; the veterinary art. 3. The place where a smith shoes horses. Source: Websters Dictionary (01 Mar 1998) |
| farse | An addition to, or a paraphrase of, some part of the Latin service in the vernacular; common in English before the Reformation. See: Farce. Source: Websters Dictionary (01 Mar 1998) |
| farsighted | 1. Seeing to great distance; hence, of good judgment regarding the remote effects of actions; sagacious. 2. <medicine> Hypermetropic. Source: Websters Dictionary (01 Mar 1998) |
| farsightedness | <ophthalmology> Farsightedness or hyperopia occurs when a refractive error in which light rays entering the eye are focused behind the retina. This condition is easily corrected with corrective lenses or contact lenses. (27 Sep 1997) |