germ layer

noun

: any of the three primary layers of cells differentiated in most embryos during and immediately following gastrulation

Examples of germ layer in a Sentence

Recent Examples on the Web
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Also lost is the inner germ layer that's full of antioxidants, magnesium, potassium, vitamin B and healthy fats. Sandee Lamotte, CNN, 13 July 2021

Word History

First Known Use

1877, in the meaning defined above

Time Traveler
The first known use of germ layer was in 1877

Dictionary Entries Near germ layer

Cite this Entry

“Germ layer.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/germ%20layer. Accessed 15 Dec. 2024.

Medical Definition

germ layer

noun
: any of the three primary layers of cells differentiated in most embryos during and immediately following gastrulation

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