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MIDGUT BLOOD SUPPLY-SUPERIOR MESENTERIC ARTERY (SMA)

Anatomy-Abdomen

MIDGUT BLOOD SUPPLY-SUPERIOR MESENTERIC ARTERY (SMA)

ORIGIN
1. Artery of the midgut, supplies the gut from the entrance of the bile duct to just short of splenic flexure of colon.
2. Arises from the AAA 1cm below the coeliac trunk at L1.

COURSE
3. It is directed down behind the splenic vein.
4. With the superior mesenteric vein to the right, it lies on the left renal v. => uncinate process of pancreas => third part of duodenum.
5. Here the 2 vessles (SMV & SMA) enter the mesentery of the small intestine, ending at the ileum - 60cm proximal to the caecum.


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REFERENCES

1. Mcminn. (2003). Last's Anatomy. Elsevier Australia. ISBN:0729537528. Read it at Google Books - Find it at Amazon
2. Netter, F. H. (2019). Atlas of human anatomy. Philadelphia, PA: Elsevier.
3. Image: no reference available.

Ⓒ A. Manickam 2018

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