Middle rectal veins
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(Redirected from Middle rectal vein)
| Middle rectal veins | |
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| File:Gray587.png
Scheme of the anastomosis of the veins of the rectum
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| Details | |
| Latin | venae rectales mediae |
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Drains from
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rectum |
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Drains to
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internal iliac vein |
| middle rectal artery | |
| Identifiers | |
| Dorlands /Elsevier |
v_05/12851614 |
| TA | Lua error in Module:Wikidata at line 744: attempt to index field 'wikibase' (a nil value). |
| TH | {{#property:P1694}} |
| TE | {{#property:P1693}} |
| FMA | {{#property:P1402}} |
| Anatomical terminology
[[[d:Lua error in Module:Wikidata at line 863: attempt to index field 'wikibase' (a nil value).|edit on Wikidata]]]
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The middle rectal veins (or middle hemorrhoidal vein) take origin in the hemorrhoidal plexus and receive tributaries from the bladder, prostate, and seminal vesicle.
They run lateralward on the pelvic surface of the levator ani to end in the internal iliac vein. Veins superior to the middle rectal vein in the colon and rectum drain via the portal system to the liver. Veins inferior, and including, the middle rectal vein drain into systemic circulation and are returned to the heart, bypassing the liver.
References
This article incorporates text in the public domain from the 20th edition of Gray's Anatomy (1918)
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