blastopore

(noun)

the opening into the archenteron

Related Terms

Examples of blastopore in the following topics:

  • Superphylum Lophotrochozoa

    • The Lophotrochozoa are protostomes possessing a blastopore, an early form of a mouth; they include the trochozoans and the lophophorata.
    • Animals belonging to superphylum Lophotrochozoa are protostomes: the blastopore (or the point of involution of the ectoderm or outer germ layer) becomes the mouth opening to the alimentary canal.