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Root of Mesentery
Digestive System

Root of Mesentery

Radix mesenterii

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Structure

The root of the mesentery refers to the location along the posterior abdominal wall that marks the beginning of the mesentery of the small intestine.

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Anatomical Relations

The root of the mesentery runs obliquely from the duodenojejunal flexure superiorly to the right sacroiliac joint inferiorly. Along this course, the root passes over the third part of the duodenum, inferior vena cava, abdominal aorta, right psoas major muscle, and the right ureter (Standring, 2016).

Function

The root of the mesentery serves as the anchor point for the jejunum and ileum.

List of Clinical Correlates

- Volvulus

References

Standring, S. (2016) Gray's Anatomy: The Anatomical Basis of Clinical Practice. Gray's Anatomy Series 41 edn.: Elsevier Limited.

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Mesentery

ScienceDirect image

The mesentery is defined as a membranous bilayer of peritoneum that attaches an organ to the body wall.

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