A part of the nervous system that regulates key involuntary functions of the body, including the activity of the heart muscle; the smooth muscles, including the muscles of the intestinal tract; and the glands. The autonomic nervous system has two divisions: the sympathetic nervous system, which accelerates the heart rate, constricts blood vessels, [..]

The part of the nervous system that controls muscles of internal organs (such as the heart, blood vessels, lungs, stomach, and intestines) and glands (such as salivary glands and sweat glands). One pa [..]

(awt-uh-nahm-ik) [Gk. autos, self + nomos, usage, law] A subdivision of the motor nervous system of vertebrates that regulates the internal environment; consists of the sympathetic and parasympathetic [..]

 The subdivision of the peripheral nervous system that controls the body's involuntary motor responses by connecting the sensory receptors to the central nervous system (CNS) and the CNS to the smooth muscle, cardiac muscle, and glands.

The part of the nervous system that contains the nerves that control involuntary movement.

Part of the peripheral nervous system that regulates the involuntary actions of the body (e.g., breathing, heart rate, blood pressure, pupil dilation). Also regulates the Fight or Flight Phenomenon.

 A part of the peripheral nervous system responsible for regulating the activity of internal organs. It includes the sympathetic and parasympathetic nervous systems. 

Involuntary nervous system, also termed the vegetative nervous system. A system of nerve cells whose activities are beyond voluntary control.

the portions of the central and peripheral nervous systems involved primarily in involuntary bodily functions, for example, circulatory, digestive, and respiratory organs. Both the central and periphe [..]

The Autonomic Nervous System is made up of three parts: the sympathetic nervous system, the parasympathetic nervous system, and the enteric nervous system. It controls the muscles that move involuntar [..]

That part of the nervous system which works involuntarily (is not under voluntary control), controlling all the autonomic processes in the body, e.g. breathing rate, heart rate, peristalsis in the gut, contraction of the bladder, dilation and constriction of the pupil of the eye. Consists of two opposing (antagonistic) sub-systems, the sympathetic [..]

The part of the peripheral nervous system that supplies neural connections to glands and to smooth muscles of internal organs. Its two divisions (sympathetic and parasympathetic) act in opposite fashion. See Figure 2.11.

The part of the nervous system that controls involuntary bodily functions, such as breathing, heartbeat and digestion. It is part of the peripheral nervous system.

portions of the nervous system that regulate cardiac, respiratory, glandular, renal and other activities usually under involuntary (autonomic)# rather than voluntary control.

Involuntary nervous system, also termed the vegetative nervous system. A system of nerve cells whose activities are beyond voluntary control.

The part of the nervous system that controls involuntary actions, such as blood pressure or breathing. It also plays an important role in the fight or flight response to danger.

The portion of the central nervous system containing the sympathetic and parasympathetic subsystems which controls the involuntary actions of the body, including breathing, heart beat, gastrointestinal movement, etc.

or ANS

Component of the central nervous system consisting of two divisions, sympathetic and parasympathetic. The ANS regulates and controls (largely) involuntary functions such as digestion, cardiac function [..]

The autonomic nervous system is part of the nervous system that regulates involuntary action, such as the heartbeat and perspiration. Its key function is to transmit nerve signals from the central ner [..]

The autonomic nervous system is the part of the nervous system that controls involuntary bodily functions such as heart beats, breathing and digestion. Autonomic nervous system links: The Autonomic Ne [..]

The enteric, parasympathetic, and Sympathetic Nervous Systems taken together. Generally speaking, the autonomic Nervous System regulates the internal Environment during both peaceful activity and phys [..]

The enteric, parasympathetic, and sympathetic nervous systems taken together. Generally speaking, the autonomic nervous system regulates the internal environment during both peaceful activity and phys [..]

Specialized set of neurons controlling and regulating basic, unconscious bodily functions such as breathing and heart beat.

A part of the peripheral nervous system responsible for regulating the activity of internal organs. It includes the sympathetic and parasympathetic nervous systems.

The part of the nervous system that controls muscles of internal organs (such as the heart, blood vessels, lungs, stomach, and intestines) and glands (such as salivary glands and sweat glands). One part of the autonomic nervous system helps the body rest, relax, and digest food and another part helps a person fight or take flight in an emergency. A [..]

Motor pathways that lead to smooth muscle, cardiac muscle, and glands.

The ‘independent’ part of the nervous system that is operated without having to give it a thought, including things like breathing and the movement of the intestines.

The ANS helps control blood flow to and from the extremities; it also controls: heart rate; blood pressure; bowel, bladder, and sexual activity; and other automatic bodily functions.

pertaining to that part of the nervous system that regulates usually "involuntary" reactions, especially those concerned with nutritive, vascular, glandular, and reproductive organs. [..]