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
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
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 24 Nov. 2024.

Medical Definition

germ layer

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

More from Merriam-Webster on germ layer

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!