A branch of the autonomic nervous system. This system serves as a counterbalance for the sympathetic nerves. Therefore, it causes the heart rate to slow down, lower the blood pressure, constrict eye pupils, and increase digestion.
originates in the brain stem and lower part of the spinal cord; opposes physiological effects of the sympathetic nervous system: stimulates digestive secretions; slows the heart; constricts the pupils; dilates blood vessels
A part of the autonomic nervous system. Parasympathetic (cholinergic) activity causes contraction of the bladder and assists in the voiding process. Emptying of the bladder is primarily a parasympathetic activity.
Division of the autonomic (automatic) nervous system. Parasympathetic nerves control functions of digestion, heart and lung activity, constriction of eye pupils and many other normal functions of the body.
A division of the autonomic nervous system which control functions of the heart and lung activity, digestion, constriction of eye pupils and many more functions of the body.
Usually Parasympathetic nervous system: Portion of the autonomic nervous system that is generally associated with increasing digestion and intestinal muscle activity; decreasing blood circulation and respiration.