Dictionary

autonomic nervous system

noun

Definition of AUTONOMIC NERVOUS SYSTEM

:  a part of the vertebrate nervous system that innervates smooth and cardiac muscle and glandular tissues and governs involuntary actions (as secretion and peristalsis) and that consists of the sympathetic nervous system and the parasympathetic nervous system

First Known Use of AUTONOMIC NERVOUS SYSTEM

1898

autonomic nervous system

noun    (Medical Dictionary)

Medical Definition of AUTONOMIC NERVOUS SYSTEM

:  a part of the vertebrate nervous system that innervates smooth and cardiac muscle and glandular tissues and governs involuntary actions (as secretion, vasoconstriction, or peristalsis) and that consists of the sympathetic nervous system and the parasympathetic nervous system—called also vegetative nervous system; compare central nervous system, peripheral nervous system

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