- the opening of an archenteron.
Origin of blastopore
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for blastopore
This we consider to be the posterior end of the blastopore of the embryo.
From one end of the blastopore there is continued an opaque band.
The blastopore is elongated and slightly narrowed in the middle.
The opening of this sac is regarded by the authors as the blastopore.
The position of the blastopore is the same as in other types, viz.The Works of Francis Maitland Balfour, Volume III (of 4)
Francis Maitland Balfour
- The opening into the archenteron formed by the invagination of the blastula to form a gastrula.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.