deep (internal) inguinal ring

Introduction

The opening in the transversalis fascia through which the ductus deferens & gonadal vessels (round ligament in the female) enter the inguinal canal.

Attachment

medially by the lateral umbilical fold (inferior epigastric vessels) & inferiorly by the iliopubic tract.

Course

midway between anterior superior iliac spine & pubic tubercle.

Pathology

• Indirect inguinal hernias exit the abdominal cavity via this ring.

More general terms

• anatomic region

Additional terms

• inferior epigastric artery
• internal spermatic fascia (infundibulum fascia, tunica vaginalis communis)
• round ligament of uterus (ligamentum teres uteri)
• superficial (external) inguinal ring

Component of

• perineum