blas·​to·​pore ˈbla-stə-ˌpȯr How to pronounce blastopore (audio)
: the opening of the archenteron
blastoporic adjective

Word History

First Known Use

1875, in the meaning defined above

Time Traveler
The first known use of blastopore was in 1875

Dictionary Entries Near blastopore

Cite this Entry

“Blastopore.” Dictionary, Merriam-Webster, Accessed 3 Jun. 2023.

Medical Definition


: the opening of the archenteron
blastoporal adjective
or blastoporic

More from Merriam-Webster on blastopore

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