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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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More Definitions for germ layer

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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