Iliac fascia

Iliac fascia
Structures surrounding right hip-joint.
Structures passing behind the inguinal ligament.
Latinfascia iliaca
Anatomical terminology

The iliac fascia (or Abernethy's fascia[citation needed]) is the fascia overlying the iliacus muscle.

Superiorly and laterally, the iliac fascia is attached to the inner aspect of the iliac crest; inferiorly and laterally, it extends into the thigh to unite with the femoral sheath; medially, it attaches to the periosteum of the ilium and iliopubic eminence near the linea terminalis, and blends with the psoas fascia and - over the quadratus lumborum muscle - with the anterior layer of thoracolumbar fascia.

The iliac fascia overlies the femoral nerve, and lateral femoral cutaneous nerve.


It has the following connections:

At the iliopectineal eminence it receives the tendon of insertion of the Psoas minor, when that muscle exists.

Lateral to the femoral vessels it is intimately connected to the posterior margin of the inguinal ligament, and is continuous with the transversalis fascia.

Immediately lateral to the femoral vessels the iliac fascia is prolonged backward and medialward from the inguinal ligament as a band, the iliopectineal fascia, which is attached to the iliopectineal eminence.

This fascia divides the space between the inguinal ligament and the hip bone into two lacunæ or compartments:

Medial to the vessels the iliac fascia is attached to the pectineal line behind the conjoint tendon, where it is again continuous with the transversalis fascia.

See also

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