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Which of the following describes the anatomic pathway of the ilioinguinal nerve?
Perforates the posterior part of the transversus abdominis and divides the obliquus internus abdominis branching into a lateral and an anterior cutaneous branch
Pierces the obliquus internus and then accompanies the spermatic cord or round ligament through the superficial inguinal ring
Passes under the inguinal ligament and over the sartorius muscle into the thigh, where it divides into an anterior and a posterior branch
Travels outward on the psoas major, and passes through the deep inguinal ring and descends within the spermatic cord to the scrotum
Runs along the lower border of the twelfth rib and passes under the lateral lumbocostal arch
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While dissecting in the middle window of the ilioinguinal approach a nerve is encountered entering the obturator foramen. Excessive retraction on this structure would result in which of the following?
Lateral thigh numbness
Weakness in knee extension
Anterior thigh numbness
Medial thigh numbness
Weakness in hip flexion
When peforming the ilioinguinal approach, what lies between the external iliac vessels and the lateral muscle window?
Lateral femoral cutaneous nerve
During an ilioinguinal approach to the pelvis, the lateral femoral cutaneous nerve is seen. Which nerve roots supply this nerve?