on·tog·e·ny (ŏn-tŏj'ə-nē) n.
pl.on·tog·e·nies The origin and development of an individual organism from embryo to adult. Also called ontogenesis. on'to·ge·net'ic (ŏn'tə-jə-nět'ĭk), on'to·gen'ic (-jěn'ĭk) adj., on'to·ge·net'i·cal·ly, on'to·gen'i·cal·ly adv.
Main Entry: on·tog·e·ny Pronunciation: än-'täj-&-nE Function: noun Inflected Form: plural-nies : thedevelopment or course of development of an individual organism called also ontogenesis; —compare PHYLOGENY 2