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
Internal pudendal aery supplies all except 
Select and explain. 
A. Perineum, B. Penis, C. Anal canal, D. Anterior abdominal wall
D: Anterior abdominal wall
Answer: D: Anterior abdominal wall 
Explanation: It arises from the anterior division of internal iliac aery. It runs on the lateral pelvic wall.It exits the pelvic cavity through the greater sciatic foramen, inferior to the piriformis foramen, to enter the gluteal region.It then curves around the sacrospinous ligament to enter the perineum through the lesser sciatic formen.It travels through the pudental canal with the internal pudental vein and the pudental nerve. ref - BDC 6e vol2 pg364