| Thy | <abbreviation> Thymine. (05 Mar 2000) |
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| Thy 1 glycoprotein | <cell biology, immunology> A molecule of 19 kD found on the surface of lymphoid and brain tissues of some mammals. Used as a marker for T lymphocytes in those species displaying it. Two allelic forms are known, Thy 1a, Thy 1b, determining Thy 1.1. And Thy 1.2. Molecules respectively, formerly known as _ AKR and _ C3H respectively. Functions unclear. (18 Nov 1997) |
| Thygeson's disease | Epithelial punctate keratitis associated with viral conjunctivitis. Synonym: Thygeson's disease. (05 Mar 2000) |
| Thygeson, Phillips | <person> U.S. Ophthalmologist, *1903. See: Thygeson's disease. (05 Mar 2000) |
| thyine wood | <botany> The fragrant and beautiful wood of a North African tree (Callitris quadrivalvis), formerly called Thuja articulata. The tree is of the Cedar family, and furnishes a balsamic resin called sandarach. Origin: Gr, fr, adj, pertaining to the tree or, an African tree with sweet-smelling wood. Source: Websters Dictionary (01 Mar 1998) |
| thylacine | <zoology> The zebra wolf. See Wolf. Origin: Gr. A sack. Source: Websters Dictionary (01 Mar 1998) |
| thylacitis | Inflammation of the sebaceous glands of the skin. Origin: G. Thylax, bag, + -itis, inflammation (05 Mar 2000) |
| thylakoid | <plant biology> Membranous cisternae of the chloroplast, found as part of the grana and also as single cisternae interconnecting the grana. Contain the photosynthetic pigments, reaction centres and electron transport chain. Each thylakoid consists of a flattened sac of membrane enclosing a narrow intra thylakoid space. (18 Nov 1997) |
| thylakoid processing peptidase | <enzyme> Signal type peptidase with stringent substrate requirements at the -3 and -1 positions; removes amino-terminal peptide extension which transports proteins across the thylakoid membrane Registry number: EC 3.4.99.- (26 Jun 1999) |
| thylakoid protein kinase | <enzyme> 64kda protein kinase from spinach or pea thylakoid membranes; phosphorylates thylakoid proteins Registry number: EC 2.7.1.- (26 Jun 1999) |
| thym- | See: thymo-. (05 Mar 2000) |
| thymate | <chemistry> A compound of thymol analogous to a salt; as, sodium thymate. Source: Websters Dictionary (01 Mar 1998) |
| thyme | <botany> Any plant of the labiate genus Thymus. The garden thyme (Thymus vulgaris) is a warm, pungent aromatic, much used to give a relish to seasoning and soups. "Ankle deep in moss and flowery thyme." (Cowper) Cat thyme, a labiate plant (Teucrium Marum) of the Mediterranean religion. Cats are said to be fond of rolling on it. Wild thyme, Thymus Serpyllum, common on banks and hillsides in Europe. "I know a bank where the wild thyme blows." (Shak) Origin: OE. Tyme, L. Thymum, Gr,; cf, to sacrifice, a sacrifice, offering, incense: cf. F. Thym; perhaps so named because of its sweet smell. Cf. Fume. Source: Websters Dictionary (01 Mar 1998) |
| thyme camphor | <chemistry> A phenol derivative of cymene, C10H13.OH, isomeric with carvacrol, found in oil of thyme, and extracted as a white crystalline substance of a pleasant aromatic odour and strong antiseptic properties. Synonym: hydroxy cymene. Origin: Thyme + -ol. Source: Websters Dictionary (01 Mar 1998) |
| thyme oil | Oil of thyme, a volatile oil distilled from the flowering plants of Thymus vulgaris or T. Zygis; a flavoring agent. (05 Mar 2000) |
| antigens, thy-1 | A group of differentiation surface antigens, among the first to be discovered on thymocytes and T-lymphocytes. Originally identified in the mouse, they are also found in other species including humans, and are expressed on brain neurons and other cells. (12 Dec 1998) |
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