autonomic nervous system
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 (such as secretion and peristalsis) and that consists of the sympathetic nervous system and the parasympathetic nervous system
From the M-W Editors
1898
First Known Use of autonomic nervous system
1898
Medical Dictionary
autonomic nervous system
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
Learn More about autonomic nervous system
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Britannica.com: Encyclopedia article about autonomic nervous system
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