a·nal·o·gous 
(ə-nălə-gəs)
(ə-nălə-gəs)adj.
1. Similar or alike in such a way as to permit the drawing of an analogy.
2. Biology Similar in function but not in structure and evolutionary origin.
[From Latin analogus, from Greek analogos, proportionate : ana-, according to; see ANA- + logos, proportion; see leg- in the Appendix of Indo-European roots.]
a·nalo·gous·ly adv.
a·nalo·gous·ness n.