| / English Dictionary |
PARASYMPATHETIC NERVOUS SYSTEM
| Pronunciation (US): |  | (GB): | |
I. (noun)
Sense 1
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
Synonyms:
parasympathetic; parasympathetic nervous system
Classified under:
Hypernyms ("parasympathetic nervous system" is a kind of...):
nervous system; systema nervosum (the sensory and control apparatus consisting of a network of nerve cells)
Holonyms ("parasympathetic nervous system" is a part of...):
ANS; autonomic nervous system (the part of the nervous system of vertebrates that controls involuntary actions of the smooth muscles and heart and glands)
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