What Is Meant by Blastopore

blastopore, the opening by which the cavity of the gastrula, an embryonic stage in animal development, communicates with the exterior.

What is blastopore?

The blastopore is a pit in the side of the embryo, through which cells fated to be endodermal flow so that they leave the outer surface of the embryo and can create a new inner surface; From: Mechanisms of Morphogenesis (Second Edition), 2013.

Where is blastopore found?

Hint: Blastopore is the opening of archenteron which is mouth like. It is developed at the time of gastrulation. Blastopore may become the mouth of an animal and the second opening may become the anus (second opening is called Deuterostome).