ontogenetic

from WordNet (r) 3.0 (2006)

ontogenetic
    adj 1: of or relating to the origin and development of
           individual organisms; "ontogenetic development"

from The Collaborative International Dictionary of English v.0.48

Ontogenetic \On`to*ge*net"ic\, a. (Biol.)
   Of or pertaining to ontogenesis; as, ontogenetic phenomena.
   -- {On`to*ge*net"ic*al*ly}, adv.
   [1913 Webster]