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blastomere

American

[blas-tuh-meer] / ˈblæs təˌmɪər /

noun

Embryology.

any cell produced during cleavage.

blastomere British

/ ˈblæstəʊˌmɪə, ˌblæstəʊˈmɛrɪk /

noun

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

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

blastomere Scientific

/ blăs′tə-mîr′ /

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.

Other Word Forms

blastomeric

adjective

Etymology

Origin of blastomere

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

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

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

All on-target indels in each blastomere were corroborated and results were identical to the Sanger sequencing results.

From Nature • Aug. 1, 2017

Thus, this embryo, with every blastomere carrying repaired MYBPC3WT/WT, would be eligible for transfer.

From Nature • Aug. 1, 2017

In 1888 Roux of Breslau by puncturing one blastomere of a frog's egg in the two-cell stage killed the punctured blastomere without affecting the other.

From Essays In Pastoral Medicine by ?Malley, Austin

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023