Student Dictionary

One entry found for parasympathetic nervous system.
Main Entry: parasympathetic nervous system
Function: noun
: the part of the autonomic nervous system that is concerned with controlling the body during normal routine situations and that tends to cause secretion of the digestive and salivary glands and slow the heart rate and that acts on bodily organs by releasing acetylcholine at the ends of nerve fibers supplying them -- compare SYMPATHETIC NERVOUS SYSTEM

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