blastopore

[ blas-tuh-pawr, -pohr ]

/ ˈblæs təˌpɔr, -ˌpoʊr /

the opening of an archenteron.

Origin of blastopore

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

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

blastopore

[ 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.