embryonic disc

noun

variants or embryonic disk
plural embryonic discs or embryonic disks
1
2
: the part of the inner cell mass of a blastocyst from which the embryo of a placental mammal develops

called also embryonic shield

Word History

First Known Use

1871, in the meaning defined at sense 1b

Time Traveler
The first known use of embryonic disc was in 1871

Dictionary Entries Near embryonic disc

Cite this Entry

“Embryonic disc.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/embryonic%20disc. Accessed 30 May. 2024.

Medical Definition

embryonic disc

noun
variants or embryonic disk
1
2
: the part of the inner cell mass of a blastocyst from which the embryo of a placental mammal develops

called also embryonic shield

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