[1]: 1354  It is bridged by the transverse acetabular ligament, converting it into a foramen (through which nerves and vessels (including the acetabular notch of obturator artery[1]: 1250 ) pass into the hip joint cavity).

[2] The lunate surface of acetabulum is discontinued opposite the notch.

[1]: 1368 The ligament of the head of the femur attaches at the margins of the notch.

[citation needed] The anterior margin of the acetabular notch presents a posterior obturator tubercle onto which the obturator membrane attaches.

[1]: 1354 This article incorporates text in the public domain from page 237 of the 20th edition of Gray's Anatomy (1918)