n, pl  -lae  or  -las  :  an early vertebrate embryo which follows the gastrula and in which nervous tissue begins to differentiate and the basic pattern of the vertebrate begins to emerge neu*ru*lar adj neu*ru*la*tion n 
 
 
 
Similar sounding terms:  neu·ral  neurol 
 
Published under license with Merriam-Webster, Incorporated.  © 1997-2004.