| Teschen disease | Porcine polioencephalomyelitis; a disease of swine caused by porcine enterovirus 1 and resembling human poliomyelitis; it is characterised by stiffness, convulsions, paralysis, and prostration, and is widespread in Europe, with most serious losses occurring in Poland and the Czech Republic and Slovakia. Synonym: infectious porcine encephalomyelitis, porcine polioencephalomyelitis. Origin: Teschen, Silisia (05 Mar 2000) |
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| Teschen disease virus | A picornavirus causing Teschen disease of pigs; the virus is normally a harmless inhabitant of the intestinal tract, but virulent strains cause epizootics of the disease. Synonym: infectious porcine encephalomyelitis virus. (05 Mar 2000) |
| TESD | <abbreviation> Total end-systolic diameter. (05 Mar 2000) |
| tesla | In the SI system, the unit of magnetic flux density expressed as kg sec-2 A-1; equal to one weber per square meter. Abbreviation: T Origin: N. Tesla (05 Mar 2000) |
| Tesla current | An alternating electric current having a frequency of 10,000 or more per second; it produces no muscular contractions and does not affect the sensory nerves. Synonym: d'Arsonval current, Tesla current. (05 Mar 2000) |
| Tesla, Nikola | <person> Serbian-American electrical engineer, 1856-1943. See: tesla, Tesla current. (05 Mar 2000) |
| tesselar | Formed of tesserae, as a mosaic. Origin: L. Tessella a small square piece, a little cube, dim. Of tessera a square piece of stone, wood, etc, a die. Source: Websters Dictionary (01 Mar 1998) |
| tessellata | <zoology> A division of Crinoidea including numerous fossil species in which the body is covered with tessellated plates. Origin: NL. See Tessellate. Source: Websters Dictionary (01 Mar 1998) |
| tessellate | To form into squares or checkers; to lay with checkered work. "The floors are sometimes of wood, tessellated after the fashion of France." (Macaulay) Origin: L. Tessellatus tessellated. See Tessellar. Source: Websters Dictionary (01 Mar 1998) |
| tessellated | 1. Formed of little squares, as mosaic work; checkered; as, a tessellated pavement. 2. <botany> Marked like a checkerboard; as, a tessellated leaf. Source: Websters Dictionary (01 Mar 1998) |
| tessellated fundus | A normal fundus to which a deeply pigmented choroid gives the appearance of dark polygonal areas between the choroidal vessels, especially in the periphery. Synonym: fundus tigre, leopard fundus, leopard retina, mosaic fundus, tigroid fundus, tigroid retina. (05 Mar 2000) |
| tessera | Origin: L, a square piece, a die. See Tessellar. A small piece of marble, glass, earthenware, or the like, having a square, or nearly square, face, used by the ancients for mosaic, as for making pavements, for ornamenting walls, and like purposes; also, a similar piece of ivory, bone, wood, etc, used as a ticket of admission to theaters, or as a certificate for successful gladiators, and as a token for various other purposes. Source: Websters Dictionary (01 Mar 1998) |
| tesseral | 1. Of, pertaining to, or containing, tesserae. 2. <chemistry> Isometric. Source: Websters Dictionary (01 Mar 1998) |
| Tessier | <person> 20th century French physician. See: Tessier classification. (05 Mar 2000) |
| Tessier classification | An anatomical classification of facial, craniofacial, and laterofacial clefts that utilises the orbit as the primary structure for reference. Fifteen locations for clefts are differentiated. (05 Mar 2000) |