extraembryonic

adjective

ex·​tra·​em·​bry·​on·​ic ˌek-strə-ˌem-brē-ˈä-nik How to pronounce extraembryonic (audio)
: situated outside the embryo
especially : developed from the zygote but not part of the embryo
extraembryonic membranes

Word History

First Known Use

1901, in the meaning defined above

Time Traveler
The first known use of extraembryonic was in 1901

Dictionary Entries Near extraembryonic

Cite this Entry

“Extraembryonic.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/extraembryonic. Accessed 21 Feb. 2024.

Medical Definition

extraembryonic

adjective
ex·​tra·​em·​bry·​on·​ic -ˌem-brē-ˈän-ik How to pronounce extraembryonic (audio)
: situated outside the embryo proper
especially : developed from the zygote but not part of the embryo
extraembryonic membranes
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