PA Anatomy: Abd: Case 2

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This is the SMA, the artery to the midgut (from ligament of Treitz to the transverse colon). It has a long vertical main artery with many branches coming off. The branches shown here are the middle colic, intestinal branches, the ileocolic and the right colic. What is outlined in yellow?

This is the IMA, the artery to the hindgut (from the transverse colon to the rectum). It is a much smaller artery, with a vertical main artery giving off just a few small branches. The branches shown here are the left colic, sigmoidal branches, and the superior rectal.

How does the blood from the celiac, SMA and IMA get back to the heart?

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