Therefore the ENS provides the GI tract with a certain degree of self-regulation, although most of these short reflex arcs provide a stimulatory influence, utilising acetylcholine. Some inhibitory reflexes do exist within the ENS including sphincter relaxation.
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===PNS: GI Tract - Long Reflex Arcs===
[[Category:Nervous System - Anatomy & Physiology]]
[[Category:Nervous System - Anatomy & Physiology]]