Exciting motion; -- said of that portion of the
nervous system concerned in reflex actions, by which impressions are
transmitted to a nerve center and then reflected back so as to produce
muscular contraction without sensation or volition.
1. Resembling, or pertaining to, a prism; as, a prismatic form or cleavage. 2. Separated or distributed by a prism; formed by a prism; as, prisma...