Neural

Webster's Dictionary of the English Language

·adj relating to the nerves or nervous system; taining to, situated in the region of, or on the side with, the neural, or cerebro-spinal, axis;

— opposed to hemal. As applied to vertebrates, neural is the ·same·as dorsal; as applied to invertebrates it is usually the ·same·as ventral. ·cf. Hemal.