| ECG | Electro-Cardio-Graphy(-Gram); ½ÉÀüµµ = EKG 1. Conducting System Structu... |
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| FF | degree of fineness of abrasive particles; fat-free; father factor; fecal frequency; fertility factor... |
| NYHA | New York Heart Association Heart Disease¿¡ ´ëÇÑ Functional Classification &nbs... |
| ft. | foot, feet |
| 1 inch | = 1/12 feet, 2.54 cm; |
| FSW | feet of sea water |
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| 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) |
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| board feet | (BF) Unit of measure for logs and lumber. One board foot is equivalent to a piece of wood 1 inch thick, 12 inches wide, and 12 inches long. (05 Dec 1998) |
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| sweaty feet syndrome | A disorder of leucine metabolism characterised by the excessive production of isovaleric acid upon protein ingestion or during infectious episodes; severe metabolic acidosis results from the large quantities of acid formed; autosomal recessive inheritance; due to a deficiency of isovaleryl-CoA dehydrogenase. Synonym: sweaty feet syndrome. (05 Mar 2000) |
| end-feet | The somewhat enlarged, often club-shaped endings by which axons make synaptic contacts with other nerve cells or with effector cells (muscle or gland cells). As isolated, by homogenizing brain or spinal cord, they contain acetylcholine and the related enzymes. Terminals contain neurotransmitters of various kinds, sometimes more than one. These can be demonstrated by chemical analysis and immunocytochemical methods. See: synapse. Synonym: axonal terminal boutons, end-feet, neuropodia, pieds terminaux, synaptic boutons, synaptic endings, synaptic terminals, terminal boutons, bouton terminaux. (05 Mar 2000) |
| feet | As a measure of length, the plural of foot. See Foot. (12 Dec 1998) |
| spastic flat foot | Eversion of the foot with spasm of the muscles (peroneal) on the outer side; often associated with abnormal bars of bone cartilage or fibrous tissue between the calcaneum and the navicular (scaphoid) or between the navicular and the talus, resulting in a tarsal coalition. (05 Mar 2000) |
| optical flat | <microscopy> Usually, a glass or quartz plate or disk, the thickness of which should be at least 1/10 of its diameter. It is ground until any remaining unevenness can be measured only by interferometric methods. Their maximum departure from flatness usually is less than 1/10 of the sodium doublet (589.3 nm). (05 Aug 1998) |
| 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; destroyed. "What ruins kingdoms, and lays cities flat!" (Milton) "I feel . . . My hopes all flat." (Milton) 3. Wanting relief; destitute of variety; without points of prominence and striking interest. "A large part of the work is, to me, very flat." (Coleridge) 4. Tasteless; stale; vapid; insipid; dead; as, fruit or drink flat to the taste. 5. Unanimated; dull; uninteresting; without point or spirit; monotonous; as, a flat speech or composition. "How weary, stale, flat, and unprofitable Seem to me all the uses of this world." (Shak) 6. Lacking liveliness of commercial exchange and dealings; depressed; dull; as, the market is flat. 7. Clear; unmistakable; peremptory; absolute; positive; downright. "Flat burglary as ever was committed." (Shak) "A great tobacco taker too, that's flat." (Marston) 8. Below the true pitch; hence, as applied to intervals, minor, or lower by a half step; as, a flat seventh; A flat. Not sharp or shrill; not acute; as, a flat sound. 9. Sonant; vocal; applied to any one of the sonant or vocal consonants, as distinguished from a nonsonant (or sharp) consonant. Flat arch. <geometry> A coat of water colour of one uniform shade. To fall flat, to produce no effect; to fail in the intended effect; as, his speech fell flat. "Of all who fell by saber or by shot, Not one fell half so flat as Walter Scott." (Lord Erskine) Origin: Akin to Icel. Flatr, Sw. Flat, Dan. Flad, OHG. Flaz, and AS. Flet floor, G. Flotz stratum, layer. 1. A level surface, without elevation, relief, or prominences; an extended plain; specifically, in the United States, a level tract along the along the banks of a river; as, the Mohawk Flats. "Envy is as the sunbeams that beat hotter upon a bank, or steep rising ground, than upon a flat." (Bacon) 2. A level tract lying at little depth below the surface of water, or alternately covered and left bare by the tide; a shoal; a shallow; a strand. "Half my power, this night Passing these flats, are taken by the tide." (Shak) 3. Something broad and flat in form; as: A flat-bottomed boat, without keel, and of small draught. A straw hat, broad-brimmed and low-crowned. <machinery> A car without a roof, the body of which is a platform without sides; a platform car. A platform on wheel, upon which emblematic designs, etc, are carried in processions. 4. The flat part, or side, of anything; as, the broad side of a blade, as distinguished from its edge. 5. A floor, loft, or story in a building; especially, a floor of a house, which forms a complete residence in itself. 6. <chemical> A horizontal vein or ore deposit auxiliary to a main vein; also, any horizontal portion of a vein not elsewhere horizontal. 7. A dull fellow; a simpleton; a numskull. "Or if you can not make a speech, Because you are a flat." (Holmes) 8. A character [<flat/] before a note, indicating a tone which is a half step or semitone lower. 9. <geometry> A homaloid space or extension. Source: Websters Dictionary (01 Mar 1998) |
| 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 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 | Loss of normal arches of the hand. Synonym: flat hand. (05 Mar 2000) |
| flat papular 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) |
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