GIT-PARASYMPATHETIC SUPPLY

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SUMMARY

Increases gut motility, stimulates secretion, relaxes sphincters.

1. Vagus: parasympathetic (PS) supply from oesophagus to 2/3 of transverse colon.

2. Minimal PS innervation to the small intestine.

3. Pelvic nerve (S2-S4): PS supply from distal 1/3 transverse colon to rectum.


Reference(s)

Barrett, K.E., Barman, S.M., Brooks, H.L., X, J. and Ganong, W.F. (2019). Ganong’s review of medical physiology. 26th ed. New York: Mcgraw-Hill Education