Definitions for "Neurula"
An embryo of certain invertebrates in the stage when the primitive band is first developed.
(nure´ you la) [Gr. neuron: nerve] • Embryonic stage during formation of the dorsal nerve cord by two ectodermal ridges.
(Gr. neuron, nerve). The embryo in the 4th week with the forma­tion of the neural tube, the primordium of the central nervous system (Brain and Spinal Cord).