allograft

n.
A graft of tissue obtained from a donor of the same species as, but with a different genetic make-up from, the recipient, as a tissue transplant between two humans. Also called homograft.

n.pl

The transplantation of tissue between genetically nonidentical individuals of the same species. Also known as homoplastic grafts, or homografts.

A graft between individuals of the same species, but of a different genotype. Formerly called homograft.

• a. rejection — see rejection.