This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Abdomen and pelvis, Subject name: Anatomy
Somatic innervation to the pelvic organs is 
Select and explain. 
A. Greater splanchnic nerve, B. Lesser splanchnic nerve, C. Pudendal nerve, D. Ilioinguinal nerve
C: Pudendal nerve
Answer: C: Pudendal nerve 
Explanation: For most of its pelvic course, the femoral nerve (L2, L3, L4) travels within the substance of the psoas muscle and then exits its lateral side to pass under the inguinal ligament. It supplies sensation to the anterior thigh and motor innervation to the extensors of the knee.