macromere /mac·ro·mere/ (mak´ro-mēr) one of the large blastomeres formed by unequal cleavage of a zygote as a result of asymmetric positioning of the mitotic spindle.
mac·ro·mere (m k r -mî )n. A large blastomere. |
macromere
one of the larger cells (blastomeres) formed in unequal cleavage of the fertilized ovum (at the vegetal pole).
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