The femoral branch of the genitofemoral nerve (FBFGN) passes under the inguinal ligament together with the femoral vessels via the lacuna vasorum which is separated from the the lacuna musculorum by the fibrous iliopectineal arch
FBFGN (blue arrow), femoral nerve (magenta arrow), femoral artery and vein (red and green arrows), lateral femoral cutaneous nerve (black arrow), inguinal ligament (brown arrows), iliopectineal arch (cyan arrow), iliac fascia (yellow arrow), iliacus (green asterix), psoas major (yellow asterix), external inguinal ring (magenta asterix)
