In the inguinal canal, the deep inguinal ring is an oval opening in the transversalis fascia. The inferior epigastric vessels are an important landmark. Regarding the relationship between the deep ring and the inferior epigastric vessels:

• A Deep inguinal ring lies medial to the inferior epigastric vessels
• B Deep inguinal ring lies lateral to the inferior epigastric vessels ✓
• C Deep inguinal ring lies anterior to the inferior epigastric vessels
• D Deep inguinal ring lies at the same level as the inferior epigastric vessels with no specific relation

Explanation

The deep inguinal ring (in the transversalis fascia, midpoint of the inguinal ligament, 1 cm above and lateral to the pubic tubercle on the midpoint of the inguinal ligament) lies LATERAL to the inferior epigastric vessels. This is the defining anatomical difference between indirect inguinal hernia (exits through the deep ring, lateral to inferior epigastrics, passing obliquely through the canal) and direct inguinal hernia (protrudes through Hesselbach's triangle, MEDIAL to the inferior epigastrics, directly through the posterior wall of the canal). The inferior epigastric vessels form the lateral boundary of Hesselbach's triangle.

Reference: BD Chaurasia's Human Anatomy, 8th ed.

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Written and medically reviewed by the StethoPrep medical team.