ontogeny

{ } n. [ See Ontology, and Genesis. ] (Biol.) The history of the individual development of an organism; the sequence of events involved in the development of an organism; the history of the evolution of the germ; the development of an individual organism, -- in distinction from phylogeny, or evolution of the tribe. Called also henogenesis, henogeny.
Syn. -- growth, growing, maturation, development. [ 1913 Webster ]