Homologous - Definition
homologous
adj 1: having the same evolutionary origin but not necessarily
the same function; "the wing of a bat and the arm of a
man are homologous" [ant: analogous, heterologic,
heterological, heterologous]
2: corresponding or similar in position or structure or function
or characteristics; especially derived from an organism of
the same species; "a homologous tissue graft" [ant:
autologous, heterologous]