Definitions

1. adjective

Relating to or situated in front of the chorda, especially in embryology referring to a region in front of the chorda in the early development of a vertebrate.

“The prechordal plate is an embryonic structure that will eventually give rise to the forebrain.”

2. noun

The prechordal region or plate in embryonic development.

“The study of the prechordal region is crucial in understanding the early development of vertebrates.”