blastopore

[ blas-tuh-pawr, -pohr ]

/ ˈblæs təˌpɔr, -ˌpoʊr /

the opening of an archenteron.

Nearby words

1875–80; blasto- + -pore passage; see pore²

blas·to·por·ic

[blas-tuh-pawr-ik, -por-] /ˈblæs təˈpɔr ɪk, -ˈpɒr-/, blas·to·po·ral

[blas-tuh-pawr-uh l, -pohr-] /ˌblæs təˈpɔr əl, -ˈpoʊr-/, adjective

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

There is in this way formed a tube on the floor of which the blastopore opens behind, and which is itself open in front.
The Works of Francis Maitland Balfour, Volume III (of 4)|Francis Maitland Balfour
Fol (No. 249) has also described a similar type of blastopore.
The Works of Francis Maitland Balfour, Volume II (of 4)|Francis Maitland Balfour
The relations of the blastopore in Elasmobranchii and Aves is shewn in figs.
The Works of Francis Maitland Balfour, Volume III (of 4)|Francis Maitland Balfour
On each side of the blastopore are three mesoblastic somites.
The Works of Francis Maitland Balfour, Volume 1|Francis Maitland Balfour

From one end of the blastopore there is continued an opaque band.
The Works of Francis Maitland Balfour, Volume 1|Francis Maitland Balfour

[ blăs′tə-pôr′ ]

The opening into the archenteron formed by the invagination of the blastula to form a gastrula.

blas′to•por′ic null adj.