Learn That Word

Synonyms for Parasympathetic Nervous System (same or very similar meaning)

WordNet sense 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):
parasympathetic


From the ODE community, based on WordNetadd/edit