from The American Heritage® Dictionary of the English Language, 4th Edition
- n. The thickened dorsal plate of ectoderm that differentiates into the neural tube and neural crest.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. a thick, flat bundle of ectoderm formed in vertebrate embryos after induction by the notochord
Sorry, no etymologies found.
Sorry, no example sentences found.
Wordnik is becoming a not-for-profit! Read our announcement here.