In the pelvis the lateral femoral cutaneous nerve and the femoral nerve from the lumbar plexus runs laterally across the iliacus underneath the transversalis fascia.
The obturator nerve and the lumbosacral trunk run across the ala sacra medial to the psoas major inside the psoas compartment.
Fascia transversalis (green). The lateral femoral cutaneous nerve and the femoral nerve are visible underneath the fascia transversalis.
