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Definition of Neurula
1. n. An embryo or certain invertebrates in the stage when the primitive band is first developed.
Definition of Neurula
1. a vertebrate embryo [n -LAS or -LAE] : NEURULAR [adj]
Medical Definition of Neurula
1. The stage in vertebrate embryogenesis during which the neural plate closes to form the central nervous system. This entry appears with permission from the Dictionary of Cell and Molecular Biology (11 Mar 2008)