macromere

noun
mac·​ro·​mere | \ ˈma-krə-ˌmir How to pronounce macromere (audio) \

Definition of macromere

: a large blastomere — see blastula illustration

First Known Use of macromere

1877, in the meaning defined above

History and Etymology for macromere

macro- + -mere (in blastomere)

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The first known use of macromere was in 1877

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Cite this Entry

“Macromere.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/macromere. Accessed 17 Feb. 2020.

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macromere

noun
mac·​ro·​mere | \ ˈmak-rō-ˌmi(ə)r How to pronounce macromere (audio) \

Medical Definition of macromere

: any of the large blastomeres that occur in the hemisphere of a telolecithal egg containing the vegetal pole and that are formed by unequal segmentation — compare micromere

More from Merriam-Webster on macromere

Britannica.com: Encyclopedia article about macromere

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