blastopore Meaning, Definition & Usage

  1. noun the opening into the archenteron

WordNet

Blas"to*pore noun
Etymology
Gr. sprout + E. pore.
Definitions
  1. (Biol.) The pore or opening leading into the cavity of invagination, or archenteron. See Illust. of Invagination. Balfour.

Webster 1913