allograft al·lo·graft (āl'ə-grāft')
A graft of tissue obtained from a donor genetically different from, though of the same species as the recipient. Also called allogeneic graft, allogeneic homograft, homograft, homologous graft, homoplastic graft.
A graft transplanted from a donor who is of the same species as the recipient but who is genetically distinct. Compare autograft, xenograft.