Definitions

1. adjective

Pertaining to the exocoel, a cavity in the embryo of certain animals, especially between the yolk sac and the embryoblast.

“The exocoelar structure is crucial for the development of the embryo.”

2. noun

A cavity or space in the embryo of certain animals, especially between the yolk sac and the embryoblast.

“The exocoelar region is where the embryo’s cells begin to differentiate.”