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Home › Body Atlas › Fascia & Spaces › Deep Inguinal Ring
Fascia or Space Abdomen

Deep Inguinal Ring

anulus inguinalis profundus

The deep inguinal ring is the internal opening of the inguinal canal, an oval gap in the transversalis fascia about halfway between the anterior superior iliac spine and the pubic tubercle. It lies just above the inguinal ligament and lateral to the inferior epigastric vessels.

Anatomical Data

Boundaries & Contents

LocationLower anterior abdominal wall, just above the midpoint of the inguinal ligament.
Boundaries
  • Transversalis fascia margins
  • Inferior epigastric vessels medially
  • Inguinal ligament below
Contents
Biomechanics

Function & Actions

Forms the internal entrance of the inguinal canal where the cord or round ligament leaves the abdomen.

Clinical Relevance

Clinical Notes

Indirect inguinal hernias enter the canal through this ring, which is why they lie lateral to the inferior epigastric vessels while direct hernias lie medial. Pressing over the ring (above the midpoint of the inguinal ligament) can control an indirect hernia during examination. In laparoscopic repair mesh is placed to cover the ring.

Pathology

Common Injuries & Conditions

Indirect Inguinal Hernia

A hernia passing through the deep ring into the inguinal canal, often through a patent processus vaginalis, which may descend into the scrotum.

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