| frenulum of tongue | A fold of mucous membrane extending from the floor of the mouth to the midline of the undersurface of the tongue. Synonym: frenulum linguae, frenulum of tongue, vinculum linguae. (05 Mar 2000) |
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| frenulum preputii | A fold of mucous membrane passing from the undersurface of the glans penis to the deep surface of the prepuce. Synonym: frenulum preputii, vinculum preputii. (05 Mar 2000) |
| frenulum preputii clitoridis | The line of union of the inner-laminae portions of the labia minora on the undersurface of the glans clitoridis. Synonym: frenulum clitoridis, frenulum preputii clitoridis. (05 Mar 2000) |
| frenulum pudendi | The fold connecting the two labia minora posteriorly. Synonym: frenulum labiorum pudendi, fourchette, frenulum labiorum minorum, frenulum of pudendal lips, frenulum pudendi. (05 Mar 2000) |
| frenulum valvae ileocaecalis | A fold, more evident in cadavers, running from the junction of the two commissures of the ileocaecal valve on either side along the inner wall of the caecocolic junction. Synonym: frenulum valvae ileocaecalis, frenulum of Morgagni, Morgagni's frenum, Morgagni's retinaculum. (05 Mar 2000) |
| frenulum veli medullaris superioris | A band passing from the longitudinal groove between the quadrigeminal bodies on to the superior medullary velum. Synonym: frenulum veli medullaris superioris, cerebellar frenulum, frenulum cerebelli. (05 Mar 2000) |
| frenum | <dentistry> Small pieces of pink coloured skin that attach your lips, cheeks and tongue to your mouth. Examples include the piece of skin under your tongue which sticks out when you pick up your tongue, and the piece of skin which sticks out when you pull out your lips. (08 Jan 1998) |
| frenzy | Any violent agitation of the mind approaching to distraction; violent and temporary derangement of the mental faculties; madness; rage. "All else is towering frenzy and distraction." (Addison) "The poet's eye in a fine frenzy rolling." (Shak) Synonym: Insanity, lunacy, madness, derangment, alienation, aberration, delirium. See Insanity. Origin: OE. Frenesie, fransey, F. Frenesie, L. Phrenesis, fr. Gr. For disease of the mind, phrenitis, fr. Mind. Cf. Frantic, Phrenitis. (07 Apr 1998) |
| freons | A group of halogenated hydrocarbons, usually based on methane, containing one or more fluorine and/or other halogen atoms. (12 Dec 1998) |
| frequency | 1. <physics> The number of occurrences of a periodic or recurrent process per unit time, for example the number of vibrations of a particle per second or the number of repetitions of a complete wave form (cycles) per second. 2. <statistics> The number of members of a population or statistical sample falling in a particular class. 3. Relative frequency, the average number of occurrences of a particular event in a large number of repeated trials. (07 Apr 1998) |
| frequency analysis | <ecology, statistics> A method of evaluating vegetation in an area by establishing a transect and counting the occurrences of plant species at various sampling points along the transect. (07 Apr 1998) |
| frequency curve | A systematic grouping of data into classes or categories according to the frequency of occurrence of each successive value or ranges of such values, resulting in a graph of a frequency distribution. Synonym: frequency curve. (05 Mar 2000) |
| frequency distribution | A statistical description of raw data in terms of the number or frequency of items characterised by each of a series or range of values of a continuous variable. (05 Mar 2000) |
| frequency domain | The expression of a function by its amplitude and phase at each component frequency, usually as determined by Fourier analysis. (05 Mar 2000) |
| frequency encoding | In magnetic resonance imaging, a method of varying the magnetic field strength with location to encode the location of each voxel uniquely in one direction. (05 Mar 2000) |
| fragment |
(frag
출처: www.mercksource.com/pp/us/cns/cns_hl_dorlands.jspz...
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| fracture-dislocation |
(frac
출처: www.mercksource.com/pp/us/cns/cns_hl_dorlands.jspz...
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| fragiform |
(frag
출처: www.mercksource.com/pp/us/cns/cns_hl_dorlands.jspz...
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| Frost-Lang operation |
insertion of a gold ball to take the place of an enucleated eyeball.
출처: www.mercksource.com/pp/us/cns/cns_hl_dorlands.jspz...
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| Frank-Starling mechanism |
Starling's law of the heart.
출처: www.mercksource.com/pp/us/cns/cns_hl_dorlands.jspz...
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| FR | United States film maker (1897-1991) |
|---|---|
| FR | United States film actor noted for his portrayals of strong silent heroes (1901-1961) |
| FR | Irish writer noted for his sexually explicit but unreliable autobiography (1856-1931) |
| FR | influential United States architect (1869-1959) |
| FR | United States writer of popular detective novels (born in 1918) |
| FR | United States writer (1870-1902) |
| FR | United States minimalist painter (born in 1936) |
| FR | United States singer and film actor (1915-1998) |
| FR | United States minimalist painter (born in 1936) |
| FR | United States writer (1834-1902) |
| FR | United States businessman who opened a shop in 1879 selling low-priced goods and built it into a national chain of stores (1852-1919) |
| FR | the fictional Swiss scientist who was the protagonist in a gothic novel by Mary Wollstonecraft Shelley |