1. A fatal disease of European rabbits (Oryctolagus cuniculus) marked by purulent conjunctivitis and the development of myxomatous growths in the skin; caused by rabbit myxoma virus, a member of the family Poxviridae, and transmitted mechanically by mosquitoes; natural hosts are rabbits of the genus Sylvilagus in California and Brazil, in which the infection is not fatal and causes only local swelling.

Synonyms: mucoid degeneration.

3. Multiple myxomas.

(05 Mar 2000)