parasympathetic nervous system is a noun meaning "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". It carries one recorded sense.
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
Definitions, synonyms and semantic relations for parasympathetic nervous system come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.