the part of the autonomic nervous system that raises blood pressure and heart rate in response to stress
One of two divisions of the autonomic nervous system. Motor system from thoracolumbar outflow of spinal cord; consists of preganglionic fibres and short postganglionic fibres; former release acetylcholine as transmitter while latter release noradrenaline. Has widespread actions in body.
the division of the autonomic nervous system that arouses the body to prepare it for action. (67)