ontogeny

On`to*gen"e*sis, On*tog"e*ny, n. Etym: [See Ontology, and Genesis.] (Biol.) Defn: 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.

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