| test, skin, for allergy | A test done on the skin to identify the allergy substance (allergen) triggering the allergic reaction. A small amount of the suspected allergy substance is placed on the skin. The skin is then gently scratched through the small drop with a special sterile needle. If the skin reddens and, more importantly, swells, then allergy to that substance is probable. (12 Dec 1998) |
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| test-retest reliability | <epidemiology> The consistency of measurement based on the correlation between test and retest scores for the same individual. See: coefficient, reliability. (05 Mar 2000) |
| test-tube baby | Popular term for a baby born after uterine implantation of a maternal ovum fertilised in vitro. (05 Mar 2000) |
| testa | <plant biology> Outer covering of a seed, also called the seed coat, derived from the integument of the ovary. (13 Jan 1998) |
| testacea | <zoology> Invertebrate animals covered with shells, especially mollusks; shellfish. Origin: NL, fr. L. Testaceum a shelled anumal. See Testaceous. Source: Websters Dictionary (01 Mar 1998) |
| Testacealobosia | A subclass of the subphylum Sarcodina (amoebae), in which the cells are provided with a firm chitinous envelope, often containing earthy material, with an opening through which the pseudopodia are protruded. Origin: L. Testa, shell (05 Mar 2000) |
| testacean | <zoology> Onr of the Testacea. Source: Websters Dictionary (01 Mar 1998) |
| testaceography | The science which treats of testaceans, or shellfish; the description of shellfish. Origin: Testacea: cf. F. Testaceographie. Source: Websters Dictionary (01 Mar 1998) |
| testaceology | <study> The science of testaceous mollusks; conchology. Origin: Testacea: cf. F. Testaceologie. Source: Websters Dictionary (01 Mar 1998) |
| testaceous | 1. Of or pertaining to shells; consisted of a hard shell, or having a hard shell. 2. <botany> Having a dull red brick colour or a brownish yellow colour. <zoology> Testaceous animals, animals having a firm, calcareous shell, as oysters and clams, thus distinguished from crustaceous animals, whose shells are more thin and soft, and consist of several joints, or articulations, as lobsters and crabs. Origin: L. Testaceus, fr. Testa a shell. See Testa. Source: Websters Dictionary (01 Mar 1998) |
| testalgia | Synonym: orchialgia. Origin: testis + G. Algos, pain (05 Mar 2000) |
| testament | 1. A solemn, authentic instrument in writing, by which a person declares his will as to disposal of his estate and effects after his death. This is otherwise called a will, and sometimes a last will and testament. A testament, to be valid, must be made by a person of sound mind; and it must be executed and published in due form of law. A man, in certain cases, may make a valid will by word of mouth only. See Nuncupative will, under Nuncupative. 2. One of the two distinct revelations of God's purposes toward man; a covenant; also, one of the two general divisions of the canonical books of the sacred Scriptures, in which the covenants are respectively revealed; as, the Old Testament; the new Testament; often limited, in colloquial language, to the latter. "He is the mediator of the new testament . . . For the redemption of the transgressions that were under the first testament." (Heb. Ix. 15) Holographic testament, a testament written wholly by the testator himself. Origin: F, fr. L. Testamentum, fr. Testari to be a witness, to make one's last will, akin to testis a witness. Cf. Intestate, Testify. Source: Websters Dictionary (01 Mar 1998) |
| testatrix | A woman who makes and leaves a will at death; a female testator. Origin: L. Source: Websters Dictionary (01 Mar 1998) |
| testectomy | Synonym: orchiectomy. Origin: testis + G. G. Ektome, excision (05 Mar 2000) |
| testes | Plural of testis. Origin: L. (05 Mar 2000) |