What is "blastulas"

Usage examples of "blastulas".

The blastulas were dubbed the 1-1-2041s, and everything about their lives became the subject of intense public scrutiny and fascination and self-righteous horror.

This part of Sunulok had grown an array of geometrically staggered coral blastulas where dozens of smaller villips lay quiescent.

Fluids leaked from the dovin basal blastulas, trailing behind like frozen streamers.