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Thursday, October 09, 2008

The vein that is found in relation to the Paraduodenal fossa is Inferior Mesenteric Vein

Question 9
The vein that is found in relation to the Paraduodenal fossa is
a.       Inferior Mesenteric Vein
b.      Middle colic Vein
c.       Left colic Vein
d.      Splenic Vein
Answer
A) Inferior Mesenteric Vein
Reference
Gray's Anatomy 38th Edition Page 1603
BDC 3rd Edition II Volume Page 204
Quality
Spotter
Status
Repeated from AIPG 2003
QTDF
Grays Anatomy
Discussion
Inferior Mesenteric Vein drains the rectum, and sigmoid and descending parts of the colon. It begins as the superior rectal vein, from the rectal plexus, through which it connects with middle and inferior rectal veins. The superior rectal vein leaves the pelvis and crosses the left common iliac vessels medial to the left ureter with the superior rectal artery, continuing up as the inferior mesenteric vein. This is left of its artery, ascending behind the peritoneum anterior to the left psoas major; it may cross the testicular or ovarian vessels or be medial to them and then passes above, or behind, the duodenojejunal flexure, opening into the splenic vein posterior to the body of the pancreas; sometimes it ends at the union of the splenic and superior mesenteric veins.
Explanation
If a duodenal or paraduodenal fossa exists, the vein is usually in its anterior wall.
Comments
Its tributaries are sigmoid veins from the sigmoid colon and the left colic vein from the descending colon and the left colic flexure.
Tips
Go through the various fossae, Recesses and the Triangles. Of late questions are being asked from these

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