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1. A transplant of an organ or tissue between genetically different individuals of the same species.
2. The organ or tissue transplanted in such a procedure; an allograft.
al′lo·trans′plan·ta′tion (-plăn-tā′shən) n.
al•lo•graft(ˈæl əˌgræft, -ˌgrɑft)
a tissue or organ obtained from one member of a species and grafted to a genetically dissimilar member of the same species. Also called homograft.