germ layer

noun

Definition of germ layer

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

First Known Use of germ layer

1877, in the meaning defined above

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The first known use of germ layer was in 1877

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Cite this Entry

“Germ layer.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/germ%20layer. Accessed 25 Nov. 2020.

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germ layer

noun

Medical Definition of germ layer

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

More from Merriam-Webster on germ layer

Britannica.com: Encyclopedia article about germ layer

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