What is "allogenic"

1888, from Greek allogenes "of another race, stranger," from allos "other, different" (see allo-) + -genes "born" (see -gen) + -ic.\n

a. 1 Having an external cause, or source; exogenous. 2 (context geology English) Formed in another location and transported. 3 (context medicine biology genetics English) Genetically distinct, but of the same species.