| lepromin skin test | <investigation> A test for leprosy where an extract of infected tissue (antigen) is injected under the skin to determine if you have a current or recent leprosy infection. Normally, little or no skin reaction should result from the injection. A positive skin reaction indicates a leprosy infection. (27 Sep 1997) |
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| loose skin | A group of connective tissue diseases in which skin hangs in loose pendulous folds. It is believed to be associated with decreased elastic tissue formation as well as an abnormality in elastin formation. Cutis laxa is usually a genetic disease, but acquired cases have been reported. (12 Dec 1998) |
| lumpy skin disease | A poxvirus infection of cattle characterised by the appearance of nodules on all parts of the skin. (12 Dec 1998) |
| lumpy skin disease virus | <virology> A species of capripoxvirus causing a cattle disease occurring in africa. (12 Dec 1998) |