: the opening of the archenteron

Word History

First Known Use

1875, in the meaning defined above

Time Traveler
The first known use of blastopore was in 1875

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Cite this Entry

“Blastopore.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/blastopore. Accessed 10 Mar. 2025.

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