Hindgut
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| Hindgut | ||
|---|---|---|
 | ||
| Profile view of a human embryo estimated at twenty or twenty-one days old. (Hindgut labeled at lower left.) | ||
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| Primitive kidney and bladder, from a reconstruction. (Hindgut labeled at upper right.) | ||
| Gray's | subject #241 1101 | |
| Carnegie stage | 10 | |
| Precursor | Mesenchyme | |
| Dorlands/Elsevier | e_11/12337302 | |
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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
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
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
 Abdominal part of digestive tube and its attachment to the primitive or common mesentery. Human embryo of six weeks. |
 Tail end of human embryo twenty-five to twenty-nine days old. |
See also
External links
Acknowledgement and Attribution Regarding Sources of Content
Some of the initial content on this page may be incorporated in part from copyleft sources in the public domain including wikis such as Wikipedia and AskDrWiki. Drug information for patients came from the The National Library of Medicine. Infectious disease information may have come from the Centers for Disease Control (CDC). Differential Diagnoses are drawn from clinicians as well as an amalgamation of 3 sources: 1.The Disease Database; 2. Kahan, Scott, Smith, Ellen G. In A Page: Signs and Symptoms. Malden, Massachusetts: Blackwell Publishing, 2004:3; 3. Sailer, Christian, Wasner, Susanne. Differential Diagnosis Pocket. Hermosa Beach, CA: Borm Bruckmeir Publishing LLC, 2002:7 .
