Canadian Medical Guide > Anatomy > Nervous System > Peripheral Nervous System > Autonomic Nervous System > Parasympathetic Nervous System Terms and Definitions




Parasympathetic Nervous System

Medical Definition: The craniosacral division of the autonomic nervous system. The cell bodies of the parasympathetic preganglionic fibers are in brain stem nuclei and in the sacral spinal cord. They synapse in cranial autonomic ganglia or in terminal ganglia near target organs. The parasympathetic nervous system generally acts to conserve resources and restore homeostasis, often with effects reciprocal to the sympathetic nervous system.
Guide Notes: /drug eff: consider also PARASYMPATHOMIMETICS & PARASYMPATHOLYTICS

Parasympathetic Nervous System Medical Definitions and Terms

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