Neū'ral, a.

a. [Gr. νεῦρον, nerve.] Pertaining to the nerves or nervous system; also, especially pertaining to the dorsal nervous chord of vertebrates; as, the neural arch of a vertebra.

Neural arch (Anat.), the arch formed by the posterior projections connected with the body of the vertebra, which protect the medulla.—Neural axis, the encephalon, or brain, including also the medulla spinalis, or spinal cord. Dunglison.