micromere

noun
mi·​cro·​mere | \ˈmī-krō-ˌmir \

Definition of micromere 

: a small blastomere — see blastula illustration

First Known Use of micromere

1877, in the meaning defined above

History and Etymology for micromere

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The first known use of micromere was in 1877

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micromere

noun
mi·​cro·​mere | \ˈmī-krō-ˌmi(ə)r \

Medical Definition of micromere 

: one of the smaller blastomeres resulting from the unequal segmentation of an egg — compare macromere

More from Merriam-Webster on micromere

Britannica.com: Encyclopedia article about micromere

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