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  2. Ureter - Wikipedia

    en.wikipedia.org/wiki/Ureter

    [2] [5] Venous drainage mostly parallels that of the arterial supply; [5] [2] that is, it begins as a network of smaller veins in the adventitia; with the renal veins draining the upper ureters, and the vesicular and gonadal veins draining the lower ureters. [1] Lymphatic drainage depends on the position of lymphatic vessels in the ureter. [1]

  3. Inferior mesenteric vein - Wikipedia

    en.wikipedia.org/wiki/Inferior_mesenteric_vein

    In human anatomy, the inferior mesenteric vein (IMV) is a blood vessel that drains blood from the large intestine. It usually terminates when reaching the splenic vein , which goes on to form the portal vein with the superior mesenteric vein (SMV).

  4. Hepatic portal system - Wikipedia

    en.wikipedia.org/wiki/Hepatic_portal_system

    Substances absorbed in the small intestine travel first to the liver for processing before continuing to the heart. Not all of the gastrointestinal tract is part of this system. The system extends from about the lower portion of the esophagus to the upper part of the anal canal. It also includes venous drainage from the spleen, pancreas and ...

  5. Large intestine - Wikipedia

    en.wikipedia.org/wiki/Large_intestine

    The large intestine, also known as the large bowel, is the last part of the gastrointestinal tract and of the digestive system in tetrapods. Water is absorbed here and the remaining waste material is stored in the rectum as feces before being removed by defecation . [ 1 ]

  6. Superior mesenteric vein - Wikipedia

    en.wikipedia.org/wiki/Superior_mesenteric_vein

    Tributaries of the superior mesenteric vein drain the small intestine, large intestine, stomach, pancreas and appendix and include: Right gastro-omental vein (also known as the right gastro-epiploic vein) inferior pancreaticoduodenal veins; veins from jejunum; veins from ileum; middle colic vein – drains the transverse colon

  7. Bowel infarction - Wikipedia

    en.wikipedia.org/wiki/Bowel_infarction

    Primary vascular causes of bowel infarction, also known as mesenteric ischemia, are due to blockages in the arteries or veins that supply the bowel.Types of mesenteric ischemia are generally separated into acute and chronic processes, because this helps determine treatment and prognosis.

  8. Midgut - Wikipedia

    en.wikipedia.org/wiki/Midgut

    Venous drainage is to the portal venous system. Lymph from the midgut drains to prevertebral superior mesenteric nodes located at the origin of the superior mesenteric artery from the aorta. Portal drainage carries all non-lipid nutrients from digestion to the liver for processing and detoxification, while lymphatic drainage carries fatty chyle ...

  9. Portal vein - Wikipedia

    en.wikipedia.org/wiki/Portal_vein

    Measuring approximately 8 cm (3 inches) long in adults, [3] the portal vein is located in the right upper quadrant of the abdomen, originating behind the neck of the pancreas. [ 4 ] In most individuals, the portal vein is formed by the union of the superior mesenteric vein and the splenic vein . [ 5 ]