Hindgut
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Overview[edit | edit source]
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US National Guidelines Clearinghouse on Hindgut
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The hindgut (or epigaster) is the posterior (caudal) part of the alimentary canal. It includes the distal third of the transverse colon and the splenic flexure, the descending colon, sigmoid colon, rectum and upper part of the anal canal.
Blood flow[edit | edit source]
Arterial supply is by the Inferior mesenteric artery, and venous drainage is to the portal venous system. Lymphatic drainage is to the chyle cistern.
Autonomic innervation[edit | edit source]
The hindgut is innervated via the inferior mesenteric plexus. Sympathetic innervation is from the Lumbar splanchnic nerves (L1-L2), parasympathetic innervation is from S2-S4.
Additional images[edit | edit source]
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Abdominal part of digestive tube and its attachment to the primitive or common mesentery. Human embryo of six weeks.
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Tail end of human embryo twenty-five to twenty-nine days old.
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