| Front | Parasympathetic post-ganglionic neurons |
|---|---|
| Back | Structure: very short 2nd neuron in two-neuron efferent system. Have cell bodies within the wall of the target organ. Pathway: 1. Wall of organ 2. Glands and smooth muscle of organ wall ***No parasympathetics to body wall Function: provide "rest and digest" innervation to target structures a) esophagus - mucous gland secretion and peristalysis b) heart - decrease heart rate c) bronchi - constriction d) coronary arteries - vasoconstriction |
Tags: pns
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