| tracker | 1. One who, or that which, tracks or pursues, as a man or dog that follows game. "And of the trackers of the deer Scarce half the lessening pack was near." (Sir W. Scott) 2. In the organ, a light strip of wood connecting (in path) a key and a pallet, to communicate motion by pulling. Source: Websters Dictionary (01 Mar 1998) |
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| tract | <anatomy> A region, principally one of some length, specifically a collection or bundle of nerve fibres having the same origin, function and termination (tractus) or a number of organs, arranged in series, subserving a common function. Origin: L. Tractus (18 Nov 1997) |
| tract of Goll | gracile fasciculus |
| tract of Munzer and Wiener | A fibre bundle arising in the superior colliculus, passing caudoventrally on the same side along the medial side of the lateral lemniscus, issuing fibres terminating in the lateral zone of the mesencephalic tegmentum, and ending in the lateral part of the gray matter of the ventral part of the pons. Synonym: tract of Munzer and Wiener, tractus tectopontinus. (05 Mar 2000) |
| tract of Schutz | A bundle of thin, poorly myelinated nerve fibres reciprocally connecting the periventricular zone of the hypothalamus with ventral parts of the central gray substance of the midbrain. Synonym: fasciculus longitudinalis dorsalis, Schutz' bundle, tract of Schutz. (05 Mar 2000) |
| tractellum | An anterior locomotor flagellum of a protozoon. Origin: Mod. L. Dim. Of L. Tractus (05 Mar 2000) |
| traction | <dentistry> The act of drawing or pulling the teeth. (08 Jan 1998) |
| traction alopecia | Circumscribed or diffuse loss of hair resulting from repetitive traction on the hair by pulling or twisting; also occurs after excessive application of hair "softeners" such as permanent wave solutions or hot combs. Alopecia marginalis is a form of traction alopecia. Synonym: traumatic alopecia. (05 Mar 2000) |
| traction atrophy | Bands of thin wrinkled skin, initially red but becoming purple and white, which occur commonly on the abdomen, buttocks, and thighs at puberty and/or during and following pregnancy, and result from atrophy of the dermis and overextension of the skin; also associated with ascites and Cushing's syndrome. Synonym: atrophoderma striatum, lineae albicantes, lineae atrophicae, linear atrophy, stretch marks, stria, striae atrophicae, striate atrophy of skin, traction atrophy, vergeture. (05 Mar 2000) |
| traction diverticulum | A diverticulum formed by the pulling force of contracting bands of adhesion, occurring mainly in the distal oesophagus, from tuberculous hilar or mediastinal lymphadenitis. (05 Mar 2000) |
| traction epiphysis | A secondary centre of ossification at the site of attachment of a tendon. (05 Mar 2000) |
| tractor | 1. That which draws, or is used for drawing. 2. <medicine> Two small, pointed rods of metal, formerly used in the treatment called Perkinism. Origin: NL, from L. Trahere, tractum, to draw. Source: Websters Dictionary (01 Mar 1998) |
| tractory | <geometry> A tractrix. Origin: L. Tractorius of drawing, fr. Trahere, tractum, to draw. Source: Websters Dictionary (01 Mar 1998) |
| tractotomy | Interruption of a nerve tract in the brainstem or spinal cord. Origin: L. Tractus, tract, + G. Tome, incision (05 Mar 2000) |
| tractrix | <geometry> A curve such that the part of the tangent between the point of tangency and a given straight line is constant; so called because it was conceived as described by the motion of one end of a tangent line as the other end was drawn along the given line. (11 Mar 1998) |
| trace element |
An element an animal requires in small amounts. 32
Ãâó: www.mhhe.com/biosci/genbio/life/glossaryt.mhtml
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| tracheotomy |
making a hole in the neck below the larynx to help breathing. This may be temporarily necessary after surgery, or permanently placed in the case of laryngeal tumors that are too large to be removed.
Ãâó: www.womenandinfants.com/body.cfm
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| traction |
The act of drawing or pulling, as by an elastic or spring force. A pulling or dragging force exerted on a limb in a distal direction.
Ãâó: www.condell.org/libertyville/neurosurgery/neurolog...
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| tractotomy |
Surgical section of a fiber tract of the central nervous system.
Ãâó: www.condell.org/libertyville/neurosurgery/neurolog...
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| trachea |
the air tube supported by cartilaginous rings that stretches from the pharynx into the the thorax, where it divides into the bronchial tubes (Morris 1992).
Ãâó: imnh.isu.edu/digitalatlas/bio/glostxt.htm
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