That central region of the early embryonic ectoderm that on further development forms the brain and spinal cord, and the neural crest cells that become the nerve cells and neurilemma or Schwann cells of the peripheral nervous system.
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neu·ro·ec·to·derm -'ek-tə-.dərm n embryonic ectoderm that gives rise to nervous tissue
neu·ro·ec·to·der·mal -.ek-tə-'dərm-əl adj
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neu·ro·ec·to·derm (noor″o-ekґto-dərm) the portion of the ectoderm of the early embryo that gives rise to the central and peripheral nervous systems, including some glial cells. Cf. neuroderm. neuroectodermal adjMedical dictionary. 2011.