the arising or development of an individual organism.
The history of this specific development of an organism; the sequence of activities involved in the growth of an organism; the real history of the development of the germ; the development of someone system, -- in difference from phylogeny, or evolution of this tribe. Called in addition henogenesis, henogeny.
In biology, the annals regarding the specific development of an organized being, as distinguished from phylogenesis, and/or history of genealogical development, and from biogenesis, or life-development typically. Also ontogeny.
(biology) the process of a person organism developing organically; a purely biological unfolding of activities involved with an organism altering slowly from a straightforward to a more complex level