heterolysin

heterolysin

 [het″er-ol´ĭ-sin] an antibody that lyzes cells of species other than the one in which it is formed.

het·er·ol·y·sin

(het'ĕr-ol'i-sin), A lysin that is formed in one species of animal and manifests lytic activity on the cells of a different species.

heterolysin

(het?er-ol'i-sin) [? + lysis, solution] A lysin formed from an antigen from an animal of a different species. See: autolysis; hemolysis