The Collaborative International Dictionary of English v.0.48:
morphogenesis \mor`pho*gen"e*sis\ (Biol.) The development of the tissues and organs of an organism; the formation of structural features of an organism. [PJC]WordNet (r) 3.0 (2006):
morphogenesis n 1: differentiation and growth of the structure of an organism (or a part of an organism)