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The ileal arteries are 12 branches of the superior mesenteric artery [1] which supply blood to the ileum. [ citation needed ] They arise from the left side of the superior mesenteric artery. [ 1 ]
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.
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 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 ileocolic artery is the lowest branch arising from the concavity of the superior mesenteric artery.It supplies the cecum, ileum, and appendix. It passes downward and to the right behind the peritoneum toward the right iliac fossa, where it divides into a superior and an inferior branch: the inferior gives rise to the appendicular artery and anastomoses with the end of the superior ...
The remaining ileum, which is of varying length, survives on a single mesenteric artery, which it is twisted around in a spiral form. [1] The term apple-peel intestinal atresia is generally reserved for when it affects the jejunum, [10] [11] while Christmas tree intestinal atresia is used if it affects the duodenum. It may affect both, however.
The jejunum and ileum receive blood from the superior mesenteric artery. [14] Branches of the superior mesenteric artery form a series of arches within the mesentery known as arterial arcades, which may be several layers deep. Straight blood vessels known as vasa recta travel from the arcades closest to the ileum and jejunum to the organs ...
In embolic acute intestinal ischemia, CT-Angiography can be of great value for diagnosis and treatment. It may reveal the emboli itself lodged in the superior mesenteric artery, as well as the presence or absence of distal mesenteric branches. [18] Late findings, which indicate dead bowel, include: Intramural bowel gas [29] Portal venous gas