| lip and leg ulceration | 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) |
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| long-leg arthropathy | A degenerative joint disease that develops, after many years, in the knee of the longer leg of a person with unequal leg lengths. (05 Mar 2000) |