Definify.com

Webster 1913 Edition

‖

Noun.

[NL., dim. of Gr.

νεῦρον

a nerve.]

(Zool.)

An embryo of certain invertebrates in the stage when the primitive band is first developed.

See also: néurula

neurula ‎(plural neurulas or neurulae)

(zoology) An embryo of vertebrates in the stage when the primitive band is first developed.

zoology: an embryo of vertebrates in the state when the primitive band is first developed