| tardigrada | 1. <zoology> A tribe of edentates comprising the sloths. They are noted for the slowness of their movements when on the ground. See Sloth. 2. <zoology> An order of minute aquatic arachnids. Synonym: bear animalcules, sloth animalcules, and water bears. Origin: NL. See Tardigrade. Source: Websters Dictionary (01 Mar 1998) |
|---|---|
| tardigrade | 1. Moving or stepping slowly; slow-paced. 2. <zoology> Of or pertaining to the Tardigrada. Origin: L. Tardigradus; tardus slow + gradi to step: cf. F. Tardigrade. <zoology> One of the Tardigrada. Source: Websters Dictionary (01 Mar 1998) |
| tardive | Marked by lateness, late, said of a disease in which the characteristic lesion is late in appearing. Origin: Fr. Tardy = late (18 Nov 1997) |
| tardive cyanosis | cyanose tardive |
| tardive dyskinesia | A syndrome of potentially irreversible, involuntary, dyskinetic movements that may develop in patients who have been treated with antipsychotic medications (for example phenothiazines) longer-term. Other drugs known to cause tardive dyskinesia include: tricyclic antidepressants, selegiline, clozapine, levamisole and metoclopramide. (27 Sep 1997) |
| tardo | <zoology> A sloth. Origin: Sp, slow, L. Tardus. Source: Websters Dictionary (01 Mar 1998) |
| tardy | 1. Moving with a slow pace or motion; slow; not swift. "And check the tardy flight of time." (Sandys) "Tardy to vengeance, and with mercy brave." (Prior) 2. Not being inseason; late; dilatory; opposed to prompt; as, to be tardy in one's payments. "The tardy plants in our cold orchards placed." (Waller) 3. Unwary; unready. 4. Criminal; guilty. Synonym: Slow, dilatory, tedious, reluctant. See Slow. Origin: F. Tardif, fr. (assumed) LL. Tardivus, fr. L. Tardus slow. Source: Websters Dictionary (01 Mar 1998) |
| tare | 1. A weed that grows among wheat and other grain; alleged by modern naturalists to be the Lolium temulentum, or darnel. "Didst not thou sow good seed in thy field? From whence then hath it tares?" (Matt. Xiii. 27) "The "darnel" is said to be the tares of Scripture, and is the only deleterious species belonging to the whole order." (Baird) 2. <botany> A name of several climbing or diffuse leguminous herbs of the genus Vicia; especially, the V. Sativa, sometimes grown for fodder. Origin: Cf. Prov. E. Tare brisk, eager, OE. Tarefitch the wild vetch. Source: Websters Dictionary (01 Mar 1998) |
| tared | <chemistry> Weighed; determined; reduced to equal or standard weight; as, tared filter papers, used in weighing precipitates. Source: Websters Dictionary (01 Mar 1998) |
| tarente | <zoology> A harmless lizard of the Gecko family (Platydactylus Mauritianicus) found in Southern Europe and adjacent countries, especially among old walls and ruins. Origin: Cf. F. Tarente. Source: Websters Dictionary (01 Mar 1998) |
| target | 1. An object fixed as goal or point of examination. 2. In the ophthalmometer, the mire. Synonym: target organ. 4. Anode of an X-ray tube. See: X-ray. Origin: It. Targhetta, a small shield (05 Mar 2000) |
| target behaviour | Operant in behaviour modification therapy, the prescribed behaviour. (05 Mar 2000) |
| target cell | An erythrocyte in target cell anaemia, with a dark centre surrounded by a light band that again is encircled by a darker ring; it thus resembles a shooting target; such cell's also appear after splenectomy. A cell lysed by cytotoxic T lymphocytes, as in graft rejection. Synonym: Mexican hat cell. (05 Mar 2000) |
| target cell anaemia | Any anaemia with a conspicuous number of target cells in the peripheral blood; characteristic of the thalassaemias and also found in several haemoglobinopathies. (05 Mar 2000) |
| target gland | The effector that functions when stimulated by the internal secretion of another gland or by some other stimulus. (05 Mar 2000) |