blastopore

[ blas-tuh-pawr, -pohr ]

noun

, Embryology.

1. the opening of an archenteron.

Other Words From

• blas·to·por·ic [blas, -t, uh, -, pawr, -ik, -, por, -], blas·to·po·ral [blas-t, uh, -, pawr, -, uh, l, -, pohr, -], adjective

Word History and Origins

Origin of blastopore¹

1875–80; blasto- + -pore passage; pore ²

Example Sentences

In other words, the position of the blastopore in the Selachian is not the same as in the Frog.

From Project Gutenberg

It is hardly possible to help believing that the blastopore primitively represented a mouth.

From Project Gutenberg

In Osseous Fishes the blastopore undergoes a similar change of position.

From Project Gutenberg

In the caudal region the medullary folds spread out and enclose between them the blastopore, behind which they soon meet again.

From Project Gutenberg

The mesoblast grows out from the lip of the blastopore as four masses.

From Project Gutenberg