[ blas-tuh-pawr, -pohr ]
/ ˈblæs təˌpɔr, -ˌpoʊr /

noun Embryology.

the opening of an archenteron.

Nearby words

  1. blastoma,
  2. blastomere,
  3. blastomycete,
  4. blastomycosis,
  5. blastopor,
  6. blastosphere,
  7. blastospore,
  8. blastostyle,
  9. blastula,
  10. blastulation

Origin of blastopore

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

Related formsblas·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 Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for blastopore

Medicine definitions for blastopore


[ blăstə-pôr′ ]


The opening into the archenteron formed by the invagination of the blastula to form a gastrula.
Related formsblas′to•poric null adj.

The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.