| fasc | fasciculus, fascicular |
|---|---|
| LAFB | left anterior fascicular block |
| LPFB | left posterior fascicular block |
| LPIFB | left posteroinferior fascicular block |
| TFA | total fatty acids; transverse fascicular area; triangular fibrocartilage; trifluoroacetic acid |
| F.T. | Fast Twitch |
|---|---|
| FG | Fast-twitch glycolytic |
| FOG | Fast-twitch oxidative glycolytic |
| HTR | Head-twitch response |
| T1 | Twitch height |
| twitch | 1. The act of twitching; a pull with a jerk; a short, sudden, quick pull; as, a twitch by the sleeve. 2. A short, spastic contraction of the fibres or muscles; a simple muscular contraction; as, convulsive twitches; a twitch in the side. 3. <veterinary> A stick with a hole in one end through which passes a loop, which can be drawn tightly over the upper lip or an ear of a horse. By twisting the stick the compression is made sufficiently painful to keep the animal quiet during a slight surgical operation. Source: Websters Dictionary (01 Mar 1998) |
|---|---|
| twitch grass | <botany> See Quitch grass. Source: Websters Dictionary (01 Mar 1998) |
| twitch muscle | <physiology> Striated muscle innervated by a single motoneuron and having an electrically excitable membrane that exhibits an all or none response (c.f. Tonic muscle): in mammals almost all skeletal muscles are twitch muscles. Physiologists often divide muscles into fast and slow twitch types, the fast twitch muscles being associated with fast motor units. (18 Nov 1997) |
| fascicular | Relating to a fasciculus; arranged in the form of a bundle or collection of rods. Synonym: fasciculate, fasciculated. (05 Mar 2000) |
| fascicular block | A condition based on the concept that the left branch of the bundle of His provides two of three major fascicles of a system of conduction, of which the right bundle branch constitutes the third, for the transmission of the cardiac impulse from the atrium above to the ventricles below the A-V node; block may occur in any or all fascicles, all three together producing complete A-V block. See: hemiblock. (05 Mar 2000) |
| fascicular cambium | <plant biology> Form of cambium present in the vascular bundles of higher plants. (18 Nov 1997) |
| fascicular degeneration | Muscular degeneration due to loss of motor neurons in the spinal cord or brainstem. (05 Mar 2000) |
| fascicular graft | A nerve graft in which each bundle of fibres is approximated and sutured separately. (05 Mar 2000) |
| fascicular keratitis | A phlyctenular keratitis followed by the formation of a band or fascicle of blood vessels extending from the margin toward the centre. (05 Mar 2000) |
| fascicular ophthalmoplegia | Ophthalmoplegia due to a lesion within the brainstem. (05 Mar 2000) |
| fascicular sarcoma | <tumour> A malignant neoplasm, believed to be of mesenchymal origin, composed of elongated, spindle-shaped cells. Synonym: fascicular sarcoma. (05 Mar 2000) |
| fascicular ulcer | A localised vascularization of the cornea to the site of a corneal ulcer. (05 Mar 2000) |
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