On`to*gen"e*sis (?), On*tog"e*ny (?), n. [See Ontology, and Genesis.] Biol. The history of the individual 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.
© Webster 1913. | 
