The Iliopectineal arch is a thickened band of fused

iliac fascia The iliac fascia, or Abernethy's fascia, is a fascia in the region of the ilium of the pelvis. It has the following connections: * ''laterally'', to the whole length of the inner lip of the iliac crest. * ''medially'', to the linea terminalis of ...

and psoas fascia passing from the posterior aspect of the inguinal ligament anteriorly across the front of the

femoral nerve The femoral nerve is a nerve in the thigh that supplies skin on the upper thigh and inner leg, and the muscles that extend the knee. Structure The femoral nerve is the major nerve supplying the anterior compartment of the thigh. It is the largest ...

to attach to the iliopubic eminence of the hip bone posteriorly. The iliopectineal arch thus forms a septum which subdivides the space deep to the inguinal ligament into a lateral

muscular lacuna The muscular lacuna (Latin: ''lacuna musculorum'') is the lateral compartment of the thigh inferior to the inguinal ligament, for the passage of the iliopsoas muscle, the femoral nerve and the lateral cutaneous nerve of the thigh The lateral ...

and a medial

vascular lacuna The vascular lacuna (Latin: ''lacuna vasorum'') is the compartment beneath the inguinal ligament which allows for passage of the femoral vessels, lymph vessels and lymph nodes. Its boundaries are the iliopectineal arch, the inguinal ligament, ...

. When a

psoas minor muscle The psoas minor muscle ( or ; from grc, ψόᾱ, psóā, muscles of the loins) is a long, slender skeletal muscle. When present, it is located anterior to the psoas major muscle.Tank (2005), p 93Gray (2008), p 1372 Structure The psoas minor mus ...

is present, its tendon of insertion blends with the iliopectineal arch It is sometimes transected in treatment of

entrapment.

Additional Images

File:Slide2gala.JPG, ILIOPECTINEAL ARCH.Deep dissection.Anterior view.

References

{{Authority control Pelvis Fascia