blastodisc

noun
blas·​to·​disc | \ ˈbla-stə-ˌdisk How to pronounce blastodisc (audio) \

Definition of blastodisc

: the embryo-forming portion of an egg with discoidal cleavage usually appearing as a small disc on the upper surface of the yolk mass — see egg illustration

First Known Use of blastodisc

1878, in the meaning defined above

History and Etymology for blastodisc

blasto- + disc

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Time Traveler for blastodisc

Time Traveler

The first known use of blastodisc was in 1878

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Cite this Entry

“Blastodisc.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/blastodisc. Accessed 28 Oct. 2020.

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More Definitions for blastodisc

blastodisc

noun
blas·​to·​disc
variants: or blastodisk \ ˈblas-​tə-​ˌdisk How to pronounce blastodisk (audio) \

Medical Definition of blastodisc

: the embryo-forming portion of an egg with discoidal cleavage usually appearing as a small disc on the upper surface of the yolk mass

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