Parasympathetic - Definition
parasympathetic
adj 1: of or relating to the parasympathetic nervous system
n 1: originates in the brain stem and lower part of the spinal
cord; opposes physiological effects of the sympathetic
nervous system: stimulates digestive secretions; slows the
heart; constricts the pupils; dilates blood vessels [syn:
parasympathetic nervous system, parasympathetic]