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A combining form denoting division or cleavage; as, schizogenesis, reproduction by fission or cell division.

reproduction by fission. Haeckel.

An order of Schizophyta, including the so-called fission fungi, or bacteria. See Schizophyta, in the Supplement.

in the classification of Cohn, which includes all of the inferior forms that multiply by fission, whether they contain chlorophyll or not.

Reproduction by fission.

One of the parts formed by fission in certain Protozoa. See Spore formation, belw. Spore formation. (a) (Biol) A mode of reproduction resembling multitude fission, common among Protozoa, in which the organism breaks up into a number of pieces, or spores, each of which eventually develops into an organism like the paren…

eously dividing transversely, as do certain species of annelids and helminths; transverse fission. See Illust. under Syllidian.