| tegument | 1. A cover or covering; an integument. 2. Especially, the covering of a living body, or of some part or organ of such a body; skin; hide. Origin: L. Tegumentum, from tegere to cover. See Thatch, and cf. Detect, Protect. Source: Websters Dictionary (01 Mar 1998) |
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| tegumental | Tegumentary Relating to the integument. (05 Mar 2000) |
| Teichmann | Ludwig, German histologist, 1823-1895. See: Teichmann's crystals. (05 Mar 2000) |
| Teichmann's crystals | Rhombic crystals of hemin; used in microscopic detection of blood. See: hemin. Synonym: chlorohemin crystals. (05 Mar 2000) |
| teichoic acid | <biochemistry> Acidic polymers (glycerol or ribitol linked by phosphodiester bridges) found in cell wall of gram-positive bacteria. May constitute 10-50% of wall dry weight and are cross linked to peptidoglycan. Related to lipoteichoic acids. (18 Nov 1997) |
| teichoic acids | Bacterial polysaccharides that are rich in phosphodiester linkages. They are the major components of the cell walls and membranes of many bacteria. (12 Dec 1998) |
| teichopsia | The jagged, shimmering visual sensation resembling the fortifications of a walled medieval town; the scintillating scotoma of migraine. Origin: G. Teichos, wall, + opsis, vision (05 Mar 2000) |
| teicoplanin | <chemical> Glycopeptide antibiotic complex from actinoplanes teichomyceticus active against gram-positive bacteria. It consists of five major components each with a different fatty acid moiety. Pharmacological action: antibiotics, glycopeptide. Chemical name: Teicoplanin (12 Dec 1998) |
| teil | <botany> The lime tree, or linden. Synonym: teil tree. Origin: OF. Teil, til, L. Tilia. Source: Websters Dictionary (01 Mar 1998) |
| teinoscope | <instrument, physics> An instrument formed by combining prisms so as to correct the chromatic aberration of the light while linear dimensions of objects seen through the prisms are increased or diminished. Synonym: prism telescope. Origin: Gr. To extend + -scope. Source: Websters Dictionary (01 Mar 1998) |
| tek | <zoology> A Siberian ibex. Source: Websters Dictionary (01 Mar 1998) |
| tektins | <cell biology> Family of filamentous proteins (A, 55 kD, B, 51 kD, C, 47 kD) associated with some microtubules in ciliary and flagellar axonemes. Have homology with some intermediate filament proteins (keratins and lamins). (18 Nov 1997) |
| tela | 1. Any thin weblike structure. 2. A tissue; especially one of delicate formation. Origin: L. A web (05 Mar 2000) |
| tela choroidea | That portion of the pia mater that covers the ependymal roof or, in the case of the lateral ventricle, medial wall of a cerebral ventricle. (05 Mar 2000) |
| tela choroidea inferior | The sheet of pia mater covering the lower part of the ependymal roof of the fourth ventricle. Synonym: tela choroidea ventriculi quarti, tela choroidea inferior. (05 Mar 2000) |