What are the anatomic features of the caudad margin in relation to abdominal hernias?

Updated: Jul 23, 2019
  • Author: Assar A Rather, MBBS, MD, FACS; Chief Editor: John Geibel, MD, DSc, MSc, AGAF  more...
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The caudad margin curves to form the transversus abdominis aponeurotic arch as the upper edge of the internal ring and above the medial floor of the inguinal canal. In 3% of cases, this arch may combine with the internal oblique aponeurosis to form the conjoined tendon.

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