het·er·og·e·nous 1 
(hĕt′ə-rŏjə-nəs) also het·er·o·gen·ic (-rō-jĕnĭk)
(hĕt′ə-rŏjə-nəs) also het·er·o·gen·ic (-rō-jĕnĭk)adj.
Not arising within the body; derived from another individual or species: a heterogenous bone transplant.
het′er·oge·ny n.