Of or relating to the sympathetic nervous system or some of its branches; produced by stimulation on the sympathetic nervious system or some part of it; as, the sympathetic saliva, a modified form of saliva, produced from some of the salivary glands by stimulation of a sympathetic nerve fiber.
Part of the involuntary nervous system, the other part is called the parasympathetic and together these are considered to be the autonomous nervous system.
A branch of the autonomic nervous system. This system stimulates the body in times of stress and crisis by increasing heart rate, dilating airways to allow for more oxygen, increasing blood pressure, inhibiting digestion, and stimulating the production of adrenaline during a crisis.
Greek syn = with, and pathos = feeling; hence, the peripheral part of the autonomic nervous system which arises in the thoracolumbar region of the spinal cord and communicates with other nerves.
Sympathetic means relating to the actions of the sympathetic nervous system, one of the two divisions of the autonomic nervous system. Its nerves are distributed to the blood vessels, sweat glands, salivary glands, heart, lungs, intestines and other abdominal organs, and the genitals. Sympathetic stimulation causes excitatory effects in some organs but inhibitory effects in others.
The thoracic and lumbar divisions of the ANS.
Referring to the subset of the peripheral nervous system activated in "fight or flight" behaviours.
A division of the autonomic (regulating involuntary function) nervous system.
A division of the central nervous system responsible for regulating the various activities of the human body.