blastomere

American  

[blas-tuh-meer] / ˈblæs təˌmɪər /

noun

Embryology.

1. any cell produced during cleavage.

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blastomere British  

/ ˈblæstəʊˌmɪə, ˌblæstəʊˈmɛrɪk /

noun

1. embryol any of the cells formed by cleavage of a fertilized egg

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blastomere Scientific  

/ blăs′tə-mîr′ /

1. Any of the cells resulting from the cleavage of a fertilized ovum. In the initial stage of development, the blastomeres adhere to each other in a mass called a morula.

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Other Word Forms

• blastomeric adjective

Etymology

Origin of blastomere

First recorded in 1875–80; blasto- + -mere

Example Sentences

Each cell within the blastula is called a blastomere.

From Textbooks • Jun. 9, 2022

In one embryo, editing occurred in all blastomeres, although one blastomere retained one copy of the wild-type allele.

From Nature • Sep. 19, 2017

At day 3 after fertilization, embryos were disaggregated and each individual blastomere was analysed as described above for S-phase-injected zygotes.

From Nature • Aug. 1, 2017

The presence even of a single mutant blastomere within a mosaic embryo would make detection by PGD problematic; therefore, molecular mechanisms responsible for mosaicism were investigated.

From Nature • Aug. 1, 2017

The punctured blastomere remained inactive, but the other developed into a complete half embryo.

From Essays In Pastoral Medicine by ?Malley, Austin