noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   An embryo of vertebrates in the stage when the primitive band is first developed.

Etymology

From New Latin neurula, diminutive in -ula of Ancient Greek νεῦρον (neûron, “sinew, tendon, cord”).

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.