| TAD | test of auditory discrimination; thoracic asphyxiant dystrophy; transient acantholytic dermatosis |
|---|---|
| UD | ulcerative dermatosis; ulnar deviation; undetermined; underdeveloped; unit dose; urethral dilatation... |
| ASTMH | American Society of Tropical Medicine and Hygiene |
| DTCH | Diploma in Tropical Child Health |
| DTH | delayed-type hypersensitivity; Diploma in Tropical Hygiene |
| digitate dermatosis | See: parapsoriasis en plaque. Synonym: small plaque parapsoriasis. (05 Mar 2000) |
|---|---|
| transient acantholytic dermatosis | A pruritic papular eruption, with histologic suprabasal acantholysis, of the chest, with scattered lesions of the back and lateral aspects of the extremities, lasting from a few weeks to several months; seen predominantly in males over 40. Synonym: Grover's disease. (05 Mar 2000) |
| ulcerative dermatosis | An infectious disease of sheep characterised by crusted ulcers on the skin of the face, feet, and external genitalia; thought to be caused by the orf virus. Synonym: lip and leg ulceration. (05 Mar 2000) |
| filarial dermatosis | A disease of sheep on high mountain ranges during the summer caused by larvae of the filarial worm, Elaeophora schneideri, which localise chiefly on the head, causing intense itching and loss of wool. Synonym: sorehead. (05 Mar 2000) |
| lichenoid dermatosis | Any chronic skin eruption, characterised clinically by induration and thickening of the skin with accentuation of skin markings, and microscopically by a band-like lymphocytic infiltration of the papillary dermis. (05 Mar 2000) |
| macrocytic anaemia tropical | The macrocytic, megaloblastic anaemia of tropical sprue. (05 Mar 2000) |
| paraparesis, tropical spastic | Subacute paralytic myeloneuropathy occurring endemically in tropical areas such as the caribbean, colombia, india, and africa, as well as in the southwestern region of japan; associated with infection by type I human lymphotropic retrovirus (HTLV-I). Toxic nutritional factors have largely been ruled out as the cause of this syndrome, the primary clinical feature of which is progressive weakness of the legs and lower body. (12 Dec 1998) |
| sprue, tropical | A malabsorption syndrome occurring in the tropics and subtropics. Protein malnutrition is usually precipitated by the malabsorption, and anaemia due to folic acid deficiency is particularly common. Administration of antibiotics (especially tetracycline) and folic acid usually results in remission. (12 Dec 1998) |
| tropical | 1. Of or pertaining to the tropics; characteristic of, or incident to, the tropics; being within the tropics; as, tropical climate; tropical latitudes; tropical heat; tropical diseases. 2. [From Trope] Rhetorically changed from its exact original sense; being of the nature of a trope; figurative; metaphorical. "The foundation of all parables is some analogy or similitude between the tropical or allusive part of the parable and the thing intended by it." (South) Tropic month. See Lunar month, under Month. Tropic year, the solar year; the period occupied by the sun in passing from one tropic or one equinox to the same again, having a mean length of 365 days, 5 hours, 48 minutes.0 seconds, which is 20 minutes.3 seconds shorter than the sidereal year, on account of the precession of the equinoxes. Origin: Cf. L. Tropicus of turning, Gr. See Tropic. Source: Websters Dictionary (01 Mar 1998) |
| tropical abscess | <gastroenterology> An area of abscess formation (liquefaction necrosis) in the liver due to infection of the organ with amoebae. See: amoebiasis. (05 Feb 1998) |
| tropical acne | <dermatology> A severe type of acne of the entire trunk, shoulders, upper arms, buttocks, and thighs; occurs in hot, humid climates. (05 Mar 2000) |
| tropical anaemia | Various syndromes frequently observed in persons in tropical climates, usually resulting from nutritional deficiencies or hookworm or other parasitic diseases. (05 Mar 2000) |
| tropical boil | <dermatology> The lesion occurring in cutaneous leishmaniasis. (05 Mar 2000) |
| tropical bubo | A venereal infection usually caused by Chlamydia trachomatis, and characterised by a transient genital ulcer and inguinal adenopathy in the male; in the female, perirectal lymph nodes are involved and rectal stricture is a common occurrence. Synonym: climatic bubo, Favre-Durand-Nicholas disease, lymphogranuloma inguinale, Nicolas-Favre disease, sixth venereal disease, tropical bubo. (05 Mar 2000) |
| tropical canine pancytopenia | A fatal disease of dogs in Asia, Africa, and the U.S. Caused by Ehrlichia canis, transmitted by the tick Rhipicephalus sanguineus, and characterised by haemorrhage, pancytopenia, and emaciation. Synonym: tropical canine pancytopenia. (05 Mar 2000) |