This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Anatomy
All of the following structures passes through deep inguinal ring, EXCEPT: 
Select and explain. 
A. Spermatic cord, B. Internal spermatic fascia, C. Round ligament, D. Ilio inguinal nerve
D: Ilio inguinal nerve
Answer: D: Ilio inguinal nerve 
Explanation: Deep inguinal ring: The deep (internal) inguinal ring is the beginning of the inguinal canal and is at a point midway between the anterior superior iliac spine and the pubic symphysis. It is just above the inguinal ligament and immediately lateral to the inferior epigastric vessels. It is the beginning of the tubular evagination of transversalis fascia that forms one of the coverings (the internal spermatic fascia) of the spermatic cord in men or the round ligament of the uterus in women. Ref: Gray's Basic Anatomy By Richard Drake, A. Wayne Vogl, Adam W. M. Mitchell, 2012, Page 144.