| tacamahaca | 1. A bitter balsamic resin obtained from tropical American trees of the genus Elaphrium (E. Tomentosum and E. Tacamahaca), and also from East Indian trees of the genus Calophyllum; also, the resinous exhudation of the balsam poplar. 2. <botany> Any tree yielding tacamahac resin, especially, in North America, the balsam poplar, or balm of Gilead (Populus balsamifera). Source: Websters Dictionary (01 Mar 1998) |
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| Tacaribe complex | <virology> Group of 8 Arenaviridae isolated in s.America from bats. (18 Nov 1997) |
| Tacaribe complex of viruses | A group of arenaviruses that includes the antigenically interrelated arboviruses Amapari, Junin, Latino, Machupo, Parana, Pichinde, Tacaribe, and Tamiami. (05 Mar 2000) |
| tacaribe complex viruses | One of two groups of viruses in the arenavirus genus and considered part of the new world complex. It includes junin virus, pichinde virus, amapari virus, and machupo virus among others. They are the cause of human haemorrhagic fevers mostly in central and south america. (12 Dec 1998) |
| tacaribe virus | <virology> Arenavirus isolated from s.American bat. (18 Nov 1997) |
| tacaud | <zoology> The bib, or whiting pout. Origin: Cf. F. Tacaud. See Tomcod. Source: Websters Dictionary (01 Mar 1998) |
| tache | A circumscribed discoloration of the skin or mucous membrane, such as a macule or freckle. Origin: Fr. Spot (05 Mar 2000) |
| tache blanche | Gray-white or white, rounded or irregularly shaped, slightly opaque patches or spots that are sometimes observed postmortem in the epicardium, especially in middle-aged or older persons; they result from fibrous thickening, and sometimes hyalinization, of the epicardium; similar lesions may also occur in the visceral layer of the peritoneum. Synonym: macula lactea, macula tendinea, tache blanche, tache laiteuse, tendinous spot, white spot. (05 Mar 2000) |
| tache bleuatre | A bluish stain on the skin caused by the bites of fleas or lice, especially pediculosis pubis. Synonym: blue spot, tache bleuatre. (05 Mar 2000) |
| tache cerebrale | A line of redness resulting from drawing a point across the skin, especially notable in cases of meningitis. Synonym: tache cerebrale, tache meningeale, Trousseau's spot. (05 Mar 2000) |
| tache laiteuse | White plaques of hyalinised fibrous tissue situated in the epicardium overlying the right ventricle of the heart where it is not covered by lung. Synonym: soldier's patches. White macroscopic areas in the omentum, due to accumulation of macrophages and lymphocytes. Synonym: tache laiteuse. (05 Mar 2000) |
| tache meningeale | A line of redness resulting from drawing a point across the skin, especially notable in cases of meningitis. Synonym: tache cerebrale, tache meningeale, Trousseau's spot. (05 Mar 2000) |
| tache noire | Black spot (in French), a small ulcer covered with a black crust at the site of a tick bite, characteristic of several tick-borne rickettsial diseases. (12 Dec 1998) |
| tachetic | Marked by bluish or brownish spots. Origin: Fr. Tache, spot (05 Mar 2000) |
| tachhydrite | <chemical> A hydrous chloride of calcium and magnesium occurring in yellowish masses which rapidly deliquesce upon exposure. It is found in the salt mines at Stassfurt. Origin: Gr. Quick + water. So named from its ready deliquescence. Source: Websters Dictionary (01 Mar 1998) |