holoblastic cleavage

hol·o·blas·tic cleav·age

cleavage in which the blastomeres are completely separated; the entire egg participates in cell division.

holoblastic cleavage

Cleavage of a fertilized egg into two parts (blastomeres), each of which can form an entirely separate individual.

holoblastic cleavage

see CLEAVAGE.
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References in periodicals archive ?
The zygote then undergoes radial, holoblastic cleavage and forms a hollow coeloblastula.
Holoblastic cleavage is practiced in each of the approximately 31 phyla.
Although microtubules have been correlated with cytoplasmic movements that follow fertilization in amphibians (4), ascidians (5), and annelids (6), these embryos do not form blastodisc caps and, unlike the squid, they undergo complete or holoblastic cleavage.