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The jejunal arteries are four-five branches of the superior mesenteric artery [1] which supply blood to the jejunum. [ citation needed ] They arise from the left side of the superior mesenteric artery.
In anatomy, the ileal vessels are the arteries and veins which supply or drain the ileum, the final section of the small intestine. [1] These are: Unnamed branches of the superior mesenteric artery (see also intestinal arteries) Unnamed tributaries of the superior mesenteric vein
Vasa recta are straight arteries arising from arterial arcades (anastomoses of the jejunal and ileal arteries, branches of superior mesenteric artery) in the mesentery of the jejunum and ileum that supply the jejunum and ileum. [1] The vasa recta of the jejunum are long and few, compared to the ileum where they are numerous and short.
The term "intestinal arteries" can be confusing, because these arteries only serve a small portion of the intestines. They do not supply any of the large intestine. The large intestine is primarily supplied by the right colic artery, middle colic artery, and left colic artery. They do not supply the duodenum of the small intestine.
The ileum, along with the jejunum, is suspended inside the mesentery, a peritoneal formation that carries the blood vessels supplying them (the superior mesenteric artery and vein), lymphatic vessels and nerve fibers. [3] There is no line of demarcation between the jejunum and the ileum. There are, however, subtle differences between the two: [3]
The number of arterial arcades in the ileum is more than the number of arcades in the jejunum. [1] The middle, right, and ileocecal branches anastomose with each other to form a marginal artery along the inner border of the colon. This artery is completed by branches of the left colic which is a branch of the inferior mesenteric artery.
The arterial arcades (intermesenteric arterial anastomoses or Riolan arcades [1]) are a series of anastomosing arterial arches between the arterial branches of the jejunum and ileum. Nearest the duodenum the mesenteric loops are primary, the vasa recta are long and regular in distribution, and the translucent spaces (lunettes) are extensive.
fibular artery (sometimes from popliteal artery) communicating branch to the anterior tibial artery; perforating branch to the posterior tibial artery; medial plantar artery; lateral plantar artery; sural artery; medial superior genicular artery. Branch to vastus medialis; Branch to surface of the femur and the knee-joint; lateral superior ...