peptide hormone any hormone that is classed chemically as a...
primal father the head of a hypothetical primitive tribe wh...
homophile n. a person who loves others of his or her own se...
egocentrism n. 1. the tendency to emphasize one...
social instinct 1. the desire for social contact and a feel...
anaphia n. the absence or loss of ability to perceive tacti...