Parasympathetic nervous system

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Parasympathetic nervous system
1503 Connections of the Parasympathetic Nervous System.jpg
Autonomic nervous system innervation, showing the parasympathetic (craniosacral) systems in blue.
Latin Pars parasympathica divisionis autonomici systematis nervosi

The parasympathetic nervous system (PSNS) is part of the autonomic nervous system. The parasympathetic nervous system can be thought of as "rest and digest" as opposed to the "fight-or-flight" effects of the sympathetic nervous system.

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