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Of or pertaining to ontogenesis; as, ontogenetic phenomena. -- On`to*ge*net"ic*al*ly, adv.

Connected with osteogenesis, or the formation of bone; producing bone; as, osteogenetic tissue; the osteogenetic layer of the periosteum.

Producing young while in the immature or larval state; -- said of certain insects, etc.

Of or pertaining to palingenesis: as, a palingenetic process. -- Pal`in*ge*net"ic*al*ly, adv.

Of or pertaining to pangenesis.

Of, pertaining to, or produced by, parthenogenesis; as, parthenogenetic forms. -- Par`the*no*ge*net"ic*al*ly, adv.

Pathogenic.

Of or pertaining to perigenesis.

Relating to phylogenesis, or the race history of a type of organism. -- Phy*lo*ge*net"ic*al*ly, adv.

at various places or times. 2. (Biol.) Of or pertaining to polygenesis; polyphyletic. Polygenetic mountain range (Geol.), one which is composite, or consists of two or more monogenetic ranges, each having had its own history of development. Dana.

Relating to, or connected with, spermatogenesis; as, spermatogenetic function.

Of or pertaining to xenogenesis; as, the xenogenetic origin of microzymes. Huxley.

f alternate generation in which two kinds of sexual generation, or a sexual and a parthenogenetic generation, alternate; -- in distinction from metagenesis, where sexual and asexual generations alternate. Claus & Sedgwick.

Of or pertaining to heterogenesis; heterogenetic.

e in structure, due to descent from a common progenitor with subsequent modification; homogenetic; -- applied both to animals and plants. See Homoplastic.

That form of homology due to common ancestry (phylogenetic homology), in opposition to homomorphy, to which genealogic basis is wanting. Haeckel.

Metagenetic.

Ontogenetic.

One of the protoplasmic cells which occur in the osteogenetic layer of the periosteum, and from or around which the matrix of the bone is developed; an osteoplast.

Osteogenetic.