Cell cleavage

Related to Cell cleavage: Spiral cleavage, complete cleavage
(Biol.) multiplication of cells by fission. See Segmentation.

See also: Cleavage

References in periodicals archive ?
Wilson himself had described how chromosomes divide before cell cleavage and are united in pairs in the new cells.
Hence, though the cytoskeletal structure of the ovum, and the maternal cytoplasm may produce cell cleavage and even some rudimentary differentiation, such activity is not organized, for lack of an organizer; so we could contend that no organism was ever present.
25) Given that the zygote does use extragenomic material, this claim is unremarkable in itself, since in the zygote there exist extranuclear materials in its cytoplasm, derived from the mother, which cause cell cleavage.