Xenogeneic vs. Allogeneic — What's the Difference?

Derived or obtained from an organism of a different species

Being genetically different although belonging to or obtained from the same species

(genetics) Derived from a different species and therefore genetically and immunologically incompatible

(genetics) Genetically different because of being derived from separate individuals of the same species.

(immunology) Of a reaction that occurs when cells are transplanted into a genetically different recipient.