(click for larger image in new window) n. Any of the impulse-conducting cells that constitute the brain, spinal column, and nerves, consisting of a nucleated cell body with one or more dendrites and a single axon. Also called nerve cell.
[Greek, sinew, string, nerve; see (s)neəu- in Indo-European roots.] neu'ro·nal (nŏŏr'ə-nəl, nyŏŏr'-, nŏŏ-rōn'l, nyŏŏ-), neu·ron'ic adj., neu'ro·nal·ly adv.