 parasympathetic_nervous_system |
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| 1. | [ noun ] (anatomy,zoology,physiology) 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 | |
| Related terms: | nervous_system autonomic_nervous_system | |
