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Definition of Term

cleavage stages
(English) Initial stages in embryonic development where divisions of blastomeres are clearly marked, usually include first through sixth cleavages (2-64 cells). (See also: blastomeres)
stades de segmentation
(French) Stades initiaux dans le développement embryonnaire où les divisions des blastomères sont clairement marqués. Correspond habituellement aux six premières segmentations (2-64 cellules) (See also: blastomeres)

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