GI Autonomics

	Foregut	Midgut	Hindgut	Rectum
Blood supply	Celiac	SMA	IMA	Rectal a.
Sympathetic	Greater Thoracic Splanchnic, T5-T9	Lesser Thoracic Splanchnic, T10-11	Lumbar Splanchnic, L1-2	Sacral Splanchnic
Parasympathetic	Left vagus: anterior stomach. Right vagus: posterior	Vagus	Pelvic Splanchnic	Pelvic Splanchnic

• rectum: retroperitoneal, parasympathetic pain.