| rat-tailed | <zoology> Having a long, tapering tail like that of a rat. <zoology> Rat-tailed larva, the musk shrew. Source: Websters Dictionary (01 Mar 1998) |
|---|---|
| water rat | 1. <zoology> The water vole. See Vole. The muskrat. The beaver rat. See Beaver. 2. A thief on the water; a pirate. Source: Websters Dictionary (01 Mar 1998) |
| coronavirus, rat | A species of coronavirus causing pneumonia in newborn rats but a clinically inapparent infection in adults. It is separate but antigenetically related to mouse hepatitis virus (gastroenteritis virus, murine). (12 Dec 1998) |
| sea rat | 1. A pirate. 2. <zoology> The chimaera. Source: Websters Dictionary (01 Mar 1998) |
| typhus, rat-flea | See Typhus, murine. (12 Dec 1998) |
| Kilham rat virus | A virus of the genus Parvovirus causing inapparent infection in rats; also recoverable from rat tumours. Synonym: latent rat virus. (05 Mar 2000) |
| latent rat virus | A virus of the genus Parvovirus causing inapparent infection in rats; also recoverable from rat tumours. Synonym: latent rat virus. (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) |