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mondofacto - Online Medical Dictionary Category: Health and Medicine > Medical Dictionary Date & country: 26/01/2008, UK Words: 116197

flash keratoconjunctivitis
Synonym for ultraviolet keratoconjunctivitis ... Acute keratoconjunctivitis resulting from exposure to intense ultraviolet irradiation. ... Synonym: actinic conjunctivitis, arc-flash conjunctivitis, flash keratoconjunctivitis, ophthalmia nivalis, snow conjunctivitis, welder's conjunctivitis. ... (05 Mar 2000) ...

flash method
Sterilization of milk by raising it rapidly to a temperature of 178°F, holding it there for a short time, and reducing it rapidly to 40°F. ... (05 Mar 2000) ...

flash point
The lowest temperature at which vapors of a liquid may be ignited by a flame. ... (05 Mar 2000) ...

flashback
An involuntary recurrence of some aspect of a hallucinatory experience or perceptual distortion occurring some time after taking the hallucinogen that produced the original effect and without subsequent ingestion of the substance. ... (05 Mar 2000) ...

flashboard riser
<ecology> A weir made with removable boards that can be used to adjust the level of water held up behind the weir. ... (09 Oct 1997) ...

flashing
1. <engineering> The creation of an artifical flood by the sudden letting in of a body of water; called also flushing. ... 2. Pieces of metal, built into the joints of a wall, so as to lap over the edge of the gutters or to cover the edge of the roofing; also, similar pieces used to cover the valleys of roofs of slate, shingles, or the like. B …

flashing pain syndrome
<syndrome> Sudden, intermittent, and severe brief episodes of pain, without apparent cause, in the distribution of a spinal dermatome; resembles in character the pain of tic douloureux. ... Compare: tic douloureux. ... (05 Mar 2000) ...

flask
1. A small bottle-shaped vessel for holding fluids; as, a flask of oil or wine. ... 2. A narrow-necked vessel of metal or glass, used for various purposes; as of sheet metal, to carry gunpowder in; or of wrought iron, to contain quicksilver; or of glass, to heat water in, etc. ... 3. A bed in a gun carriage. ... 4. The wooden or iron frame which holds …

flask closure
In dentistry, the procedure of bringing the two halves or parts of a flask together; trial flask closure's are preliminary closure's made to eliminate excess denture-base material and to ensure that the mold is completely filled; the final flask closure is the last closure of a flask before curing, following trial packing of the mold with denture-b …

flasking
The process of investing the cast and a wax denture in a flask preparatory to molding the denture-base material into the form of the denture. ... (05 Mar 2000) ...

flat
1. Having an even and horizontal surface, or nearly so, without prominences or depressions; level without inclination; plane. 'Though sun and moon Were in the flat sea sunk.' (Milton) ... 2. Lying at full length, or spread out, upon the ground; level with the ground or earth; prostrate; as, to lie flat on the ground; hence, fallen; laid low; ruined; …

flat affect
The absence of or diminution in the amount of emotional tone or outward emotional reaction typically shown by others or oneself under similar circumstances; a milder form is termed blunted affect. ... (05 Mar 2000) ...

flat bone
A type of bone characterised by its thin, flattened shape, such as the scapula or certain of the cranial bones. ... Synonym: os planum. ... (05 Mar 2000) ...

flat chest
A chest in which the anteroposterior diameter is shorter than the average. ... Synonym: alar chest, pterygoid chest. ... (05 Mar 2000) ...

flat condyloma
<tumour> A condyloma of the uterine cervix or other site caused by human papilloma virus infection and characterised histologically by koilocytosis without papillomatosis. ... (05 Mar 2000) ...

flat feet
All babies have flat feet because their arches are not yet built up (anf their feet tend to be plump). ... (12 Dec 1998) ...

flat flap
A flap in which during transfer the pedicle is left flat or open, i.e., untubed. ... Synonym: open flap. ... (05 Mar 2000) ...

flat hand
Synonym for manus plana ... Loss of normal arches of the hand. ... Synonym: flat hand. ... (05 Mar 2000) ...

flat papular syphilid
Synonym for lenticular syphilid ... Eruption of flattened, dull reddish papules, 5 mm to 1 cm in diameter, occurring in secondary syphilis. ... Synonym: flat papular syphilid. ... (05 Mar 2000) ...

flat pelvis
A pelvis in which the anteroposterior diameter is uniformly contracted, the sacrum being dislocated forward between the iliac bones. ... Synonym: pelvis plana. ... (05 Mar 2000) ...

flat plate
Jargon for plain film. ... (05 Mar 2000) ...

flat revertant
<cell biology> Variant of a malignant transformed animal tissue cell in which the characteristic high saturation density and piled up morphology have reverted to the flatter morphology associated with nontransformed cells. ... (18 Nov 1997) ...

flat top waves
Activity in the electroencephalogram having a pattern suggesting a flat top; these wave's are often found in temporal lobe discharges. ... (05 Mar 2000) ...

flat wart
Synonym for verruca plana ... A smooth, flat, flesh-coloured wart of small size, occurring in groups, seen especially on the face of the young; often associated with common warts of the hands, due to human papilloma virus, commonly, types 3 and 10. ... Synonym: flat wart, plane wart, verruca plana juvenilis. ... (05 Mar 2000) ...

Flatau-Schilder disease
Synonym for Schilder's disease ... Term used to describe at least two separate disorders described by Schilder: 1) Diffuse sclerosis or encephalitis periaxialis diffusa; a nonfamilial disorder affecting primarily children and young adults and characterised by progressive dementia, visual disturbances, deafness, pseudobulbar palsy, and hemiplegia or …

Flatau, Edward
<person> Polish neurologist, 1869-1932. ... See: Flatau-Schilder disease, Flatau's law. ... (05 Mar 2000) ...

Flatau's law
A law concerning the excentric position of the long spinal tracts; the greater the distance the nerve fibres run lengthwise in the cord, the more they tend to be situated toward its periphery. ... (05 Mar 2000) ...

flatfishes
Common name for the order pleuronectiformes. A very distinctive group in that during development they become asymmetrical, i.e., one eye migrates to lie adjacent to the other. They swim on the eyeless side. Flounder, sole, and turbot, along with several others, are included in this order. ... (12 Dec 1998) ...

flatfoot
A condition in which one or more of the arches of the foot have flattened out so that the entire sole of the foot rests upon the ground; also, the deformity, usually congential, exhibited by such a foot; splayfoot. ... (12 Dec 1998) ...

flatulence
<symptom> The presence of excessive amounts of air or gases in the stomach or intestine, leading to distention of the organs. ... Origin: L. Flatulentia ... (18 Nov 1997) ...

flatulent
1. Affected with flatus or gases generated in the alimentary canal; windy. ... 2. Generating, or tending to generate, wind in the stomach. 'Vegetables abound more with aerial particles than animal substances, and therefore are more flatulent.' (Arbuthnot) ... 3. Turgid with flatus; as, a flatulent tumour. ... 4. Pretentious without substance or realit …

flatulent dyspepsia
Dyspepsia with frequent eructations of swallowed air, sometimes without underlying organic disease. ... (05 Mar 2000) ...

flatus enema
An enema of magnesium sulfate in glycerin and warm water. ... (05 Mar 2000) ...

flatus vaginalis
Expulsion of gas from the vagina. ... (05 Mar 2000) ...

flatworm
<organism> The tapeworms or cestodes, are ribbon-shaped segmented worms which inhabit the intestinal tract of many vertebrates (including humans). ... most tapeworm infections occur in Africa, Yugoslavia, the Middle East, Southeast Asia, Mexico and parts of South America and Russia. Some forms may be contracted from infected dogs or cats (more …

Flaujeac factor
high molecular weight kininogen ...

flaunt
To throw or spread out; to flutter; to move ostentatiously; as, a flaunting show. 'You flaunt about the streets in your new gilt chariot.' (Arbuthnot) 'One flaunts in rags, one flutters in brocade.' (Pope) ... Origin: Cf. Dial. G. Flandern to flutter, wave; perh. Akin to E. Flatter, flutter. ... To display ostentatiously; to make an impudent show of. …

flavanone synthetase
<enzyme> Forms naringenin and eriodictytol from malonyl-CoA and p-coumaroyl-CoA or malonyl-CoA + caffeoyl-CoA, respectively ... Registry number: EC 2.3.1.74 ... Synonym: chalcone synthase, narigenin-chalcone synthase ... (26 Jun 1999) ...

flavedo
Yellowness or sallowness of the skin. ... Origin: L. Flavus, yellow ... (05 Mar 2000) ...

flavianic acid
A naphthol derivative dye, 8-hydroxy-5,7-dinitro-2-naphthalenesulfonic acid, useful in the precipitation (and subsequent determination) of arginine and other basic substances. ... (05 Mar 2000) ...

flavin
<biochemistry> A derivative of riboflavin (vitamin B2) which can exist as a chemical group of other important biomolecules such as flavin adenine dinucleotide or flavin mononucleotide. ... (09 Oct 1997) ...

flavin adenine dinucleotide
Synonym for flavin nucleotide ... <biochemistry> Flavin derivatives that act as prosthetic groups (covalently linked cofactors) for flavin enzymes. ... (18 Nov 1997) ...

flavin mononucleotide
<biochemistry> This biomolecule serves as a coenzyme for some enzymes that catalyse oxidation-reduction reactions. ... (09 Oct 1997) ...

flavin mononucleotide reductase
<enzyme> Nad(p)h + h+ + fmn yields NADP(+) + fmnh(2) ... Registry number: EC 1.6.99.- ... Synonym: flavin reductase, fmn reductase, NADPH-fmn oxidoreductase, NADH-fmn oxidoreductase, NADPH-flavin oxidoreductase, NADPH-flavin reductase, NADH-flavin oxidoreductase, frase i ... (26 Jun 1999) ...

flavin nucleotide
<biochemistry> Flavin derivatives that act as prosthetic groups (covalently linked cofactors) for flavin enzymes. ... (18 Nov 1997) ...

flavin-containing monooxygenase-3
See Fish-odour syndrome. ... (12 Dec 1998) ...

flavin-linked dehydrogenase
<enzyme> A dehydrogenase that requires a riboflavin coenzyme to function properly. ... (09 Oct 1997) ...

flaviviridae
<virology> A family of single-stranded RNA-containing viruses that cause haemorrhagic fever in awide range of mammals and are transmitted by mosquitos and ticks. ... (09 Oct 1997) ...

flaviviridae infections
Infections with viruses of the family flaviviridae. ... (12 Dec 1998) ...

flavivirus
A genus of flaviviridae, also known as group b arbovirus, containing several subgroups and species. most are arboviruses transmitted by mosquitoes or ticks. The type species is yellow fever virus. ... (12 Dec 1998) ...

flavivirus infections
Infections with viruses of the genus flavivirus, family flaviviridae. ... (12 Dec 1998) ...

flavobacterium
A genus of gram-negative, aerobic, rod-shaped bacteria widely distributed in soil and water. Its organisms are also found in raw meats, milk and other foods, hospital environments, and human clinical specimens. Some species are pathogenic in humans. ... (12 Dec 1998) ...

Flavobacterium aquatile
A species found in water containing a high percentage of calcium carbonate; it is the type species of Flavobacterium. ... (05 Mar 2000) ...

Flavobacterium breve
A species found in sewage; pathogenic for laboratory animals. ... (05 Mar 2000) ...

Flavobacterium piscicida
Former name for Pseudomonas piscicida. ... (05 Mar 2000) ...

flavodoxin
A low-molecular-weight (16,000) iron-free flavoprotein containing one molecule of flavin mononucleotide (fmn) and isolated from bacteria grown on an iron-deficient medium. It can replace ferredoxin in all the electron-transfer functions in which the latter is known to serve in bacterial cells. ... (12 Dec 1998) ...

flavoenzyme
Any enzyme that possesses a flavin nucleotide as coenzyme; e.g., xanthine oxidase, succinate dehydrogenase. ... Synonym: yellow enzyme. ... (05 Mar 2000) ...

flavokinase
Synonym for riboflavin kinase ... A cytosolic enzyme catalyzing the formation of flavin mononucleotide (r. Phosphate) from riboflavin, utilizing ATP as phosphorylating agent. ... Synonym: flavokinase. ... (05 Mar 2000) ...

flavone
1. 2-Phenyl-4H-1-benzopyran-4-one; or 2-phenylchromone;a plant pigment that is the basis of the flavonoids. ... 2. One of a class of compounds based on flavone. ... (05 Mar 2000) ...

flavonoid 3'-monooxygenase
<enzyme> Nadph, dioxygen dependent hydroxylase ... Registry number: EC 1.14.13.21 ... Synonym: flavonoid 3'-hydroxylase ... (26 Jun 1999) ...

flavonoid 3',5'-hydroxylase
<enzyme> Catalyses the 3',5' hydroxylation of naringenin and eriodictyol to form 5,7-3',4',5'-pentahydroxyflavone and 3',5' hydroxylation of dihydrokaempferol and dihydroquercetin to form dihydromyricetin; controls flower colour ... Registry number: EC 1.14.13.- ... (26 Jun 1999) ...

flavonoids
Substances of plant origin containing flavone in various combinations (anthoxanthins, apigenins, flavones, quercitins, etc.) and with varying biological activities. ... (05 Mar 2000) ...

flavonol
1. Reduced flavone. ... 2. Flavone hydroxylated at position 3; a member of a class of vascular pigments. ... (05 Mar 2000) ...

flavonol 2'-O-glucosyltransferase
<enzyme> Transfers glucose from udpg to position 2' of partially methylated flavonols ... Registry number: EC 2.4.1- ... (26 Jun 1999) ...

flavonol 3-O-glucosyltransferase
<enzyme> Acts on a variety of flavonols including quercetin and quercetin 7-o-glucoside ... Registry number: EC 2.4.1.91 ... Synonym: flavonoid o-3-glucosyltransferase, udpglucose-flavonoid 3-o-glucosyltransferase, flavonol o(3)-glucosyltransferase, udpglucose-flavonol glucosyltransferase ... (26 Jun 1999) ...

flavonol 3-sulfotransferase
<enzyme> Acts on quercetin; isorhamnetin; rhamnetin and kaempferol ... Registry number: EC 2.8.2.25 ... Synonym: quercetin 3-sulfotransferase ... (26 Jun 1999) ...

flavonol 4'-sulfotransferase
<enzyme> Adds a second sulfate to various flavonol 3-sulfates ... Registry number: EC 2.8.2.- ... (26 Jun 1999) ...

flavonol synthase
<enzyme> Isolated from petunia hybrida; catalyses the dehydrogenation of dihydroflavonols to flavonols ... Registry number: EC 1.3.- ... Synonym: fls gene product ... (26 Jun 1999) ...

flavoprotein
<protein> A protein that has a flavin nucleotide (covalently or noncovalently linked) as prosthetic group. These are oxidoreductase enzymes that are involved in the transfer of H atoms from a donor to an acceptor. ... (18 Nov 1997) ...

flavor
1. The quality affecting the taste or odour of any substance. ... 2. A therapeutically inert substance added to a prescription to give an agreeable taste to the mixture. ... Origin: M.E., fr. O. Fr., fr. L.L. Flator, aroma, fr. Flo, to blow ... (05 Mar 2000) ...

flavoring agents
Pharmaceutical or other preparations for improving the taste of a food or medicine. ... (12 Dec 1998) ...

flavouridin
<protein> See disintegrin. ... (18 Nov 1997) ...

flavoxate
<chemical> A drug that has been used in various urinary syndromes and as an antispasmodic. Its therapeutic usefulness and its mechanism of action are not clear. It may have local anaesthetic activity and direct relaxing effects on smooth muscle as well as some activity as a muscarinic antagonist. ... Pharmacological action: parasympatholytics. …

flavoxate hydrochloride
2-Piperidinoethyl 3-methyl-4-oxo-2-phenyl-4H-1-benzopyran-8-carboxylate hydrochloride;a smooth muscle relaxant for the urinary tract. ... (05 Mar 2000) ...

flavus
Latin for yellow. ... Origin: L. ... (05 Mar 2000) ...

flaw
1. A crack or breach; a gap or fissure; a defect of continuity or cohesion; as, a flaw in a knife or a vase. 'This heart Shall break into a hundered thousand flaws.' (Shak) ... 2. A defect; a fault; as, a flaw in reputation; a flaw in a will, in a deed, or in a statute. 'Has not this also its flaws and its dark side?' (South) ... 3. A sudden burst of …

flax
1. <botany> A plant of the genus Linum, especially. The L. Usitatissimum, which has a single, slender stalk, about a foot and a half high, with blue flowers. The fibre of the bark is used for making thread and cloth, called linen, cambric, lawn, lace, etc. Linseed oil is expressed from the seed. ... 2. The skin or fibrous part of the flax plan …

flax-dresser's disease
<disease> Chronic obstructive pulmonary disease caused by inhalation of particles of unprocessed flax; a form of byssinosis. ... See: byssinosis. ... (05 Mar 2000) ...

flaxseed oil
Synonym for linseed oil ... <chemical> The fixed oil obtained from the dried ripe seed of linseed, linum usitatissimum (l. Linaceae). It is used as an emollient in liniments, pastes, and medicinal soaps, and in veterinary medicine as a laxative. It is also called flaxseed oil. ... Pharmacological action: cathartic, emollients. ... Chemical name: …

flay
To skin; to strip off the skin or surface of; as, to flay an ox; to flay the green earth. 'With her nails She 'll flay thy wolfish visage.' (Shak) ... Origin: OE. Flean, flan, AS. Flean; akin to D. Vlaen, Icel. Fla, Sw. Fla, Dan. Flaae, cf. Lith. Ples to tear, plyszti, v.i, to burst tear; perh. Akin to E. Flag to flat stone, flaw. ... Source: Webster …

flea
<entomology> An insect belonging to the genus Pulex, of the order Aphaniptera. ... Fleas are destitute of wings, but have the power of leaping energetically. The bite is poisonous to most persons. The human flea (Pulex irritans), abundant in Europe, is rare in America, where the dog flea (P. Canis) takes its place. ... A flea in the ear, an unw …

flea-bitten kidney
The kidney seen at autopsy in some cases of bacterial endocarditis, the appearance being caused by diffuse petechial haemorrhages resulting from focal glomerulonephritis. ... (05 Mar 2000) ...

flea-borne typhus
Synonym for murine typhus ... An acute infectious disease with fever, headache, and rash, all quite similar to, but milder than, epidemic typhus, caused by a related microoganism, rickettsia typhi (mooseri), transmitted to humans by rat fleas (xenopsylla cheopis). The animal reservoir includes rats, mice and other rodents. Murine typhus occurs spora …

fleas
Parasitic, blood-sucking, wingless insects comprising the order siphonaptera. ... (12 Dec 1998) ...

flecainide
<chemical> N-(2-piperidinylmethyl)-2,5-bis(2,2,2-trifluoroethoxy)benzamide. A potent anti-arrhythmia agent, effective in a wide range of ventricular and atrial arrhythmias and tachycardias. Paradoxically, however, in myocardial infarct patients with either symptomatic or asymptomatic arrhythmia, flecainide exacerbates the arrhythmia and is no …

flecainide acetate
N-(2-Piperidylmethyl)-2,5-bis(2,2,2-trifluoroethoxy)benzamide monoacetate;a member of the membrane-stabilizing group of antiarrhythmics, with local anaesthetic activity, used in the treatment of refractory ventricular arrhythmias. ... (05 Mar 2000) ...

Flechsig, Paul
<person> German neurologist, 1847-1929. ... See: Flechsig's areas, Flechsig's ground bundles, Flechsig's fasciculi, Flechsig's tract, oval area of Flechsig, semilunar nucleus of Flechsig. ... (05 Mar 2000) ...

Flechsig's areas
Three divisions (anterior, lateral, posterior) of each lateral half of the medulla as seen on transverse section, marked off by the root fibres of the hypoglossal and vagus nerves. ... (05 Mar 2000) ...

Flechsig's fasciculi
Fasciculus anterior proprius and fasciculus lateralis proprius. ... See: fasciculi proprii. ... (05 Mar 2000) ...

Flechsig's ground bundles
Fasciculus anterior proprius and fasciculus lateralis proprius. ... See: fasciculi proprii. ... (05 Mar 2000) ...

Flechsig's tract
Synonym for posterior spinocerebellar tract ... A compact bundle of heavily myelinated, thick fibres at the periphery of the dorsal half of the lateral funiculus of the spinal cord, originating in the ipsilateral thoracic nucleus (column of Clarke) and ascending by way of the inferior cerebellar peduncle. Terminals end as mossy fibres in the granula …

fleck dystrophy of cornea
A bilateral occurrence of subtle spots in the corneal stroma; the spots vary in size and shape, and have sharp margins and clear centres; photophobia may occur; autosomal dominant inheritance. ... (05 Mar 2000) ...

fleck retina of Kandori
An autosomal-recessive disorder of the retinal pigment epithelium occurring among Japanese. ... (05 Mar 2000) ...

flecked retina
An retina exhibiting fundus flavimaculatus, hereditary drusen, or fundus albipunctatus. ... (05 Mar 2000) ...

flecked retina syndrome
<syndrome> Hereditary retinal disorder with abnormal transmission of fluorescence through the retinal pigment epithelium on angiography. ... (05 Mar 2000) ...

flection
Synonym for flexion ... <gynaecology> A displacement of the uterus in which the organ is bent so far forward or backward that an acute angle forms between the fundus and the cervix. ... Origin: L. Flexio ... (18 Nov 1997) ...

fleece
1. The entire coat of wood that covers a sheep or other similar animal; also, the quantity shorn from a sheep, or animal, at one time. 'Who shore me Like a tame wether, all my precious fleece.' (Milton) ... 2. Any soft woolly covering resembling a fleece. ... 3. The fine web of cotton or wool removed by the doffing knife from the cylinder of a cardin …

fleece worm
Synonym for wool maggot ... The larva of one of several species of blowflies which deposit eggs on sheep, causing myiasis. ... Synonym: fleece worm. ... (05 Mar 2000) ...

fleet
1. A flood; a creek or inlet; a bay or estuary; a river; obsolete, except as a place name, as Fleet Street in London. 'Together wove we nets to entrap the fish In floods and sedgy fleets.' (Matthewes) ... 2. A former prison in London, which originally stood near a stream, the Fleet (now filled up). Fleet parson, a clergyman of low character, in, or …

Flegel, H
<person> 20th century German dermatologist. ... See: Flegel's disease. ... (05 Mar 2000) ...