Superficial cleavage

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Definition

noun

(embryology) A meroblastic cleavage wherein mitosis occurs without cytokinesis, resulting in many nuclei, which migrate to the periphery of a centrolecithal egg.


Supplement

This type of cleavage is characteristic of insects that have centrolecithal eggs (i.e. the yolk is located in the center of the egg cell).


See also: meroblastic cleavage, discoidal cleavage