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
The lymphatic drainage of  testes is 
Select and explain. 
A. Inguinal lymph node, B. Mesenteric lymph node, C. Para-aortic lymph node, D. Obturator lymph node
C: Para-aortic lymph node
Answer: C: Para-aortic lymph node 
Explanation: Blood Supply and Lymphatic Drainage. The testis and epididymis are supplied by the testicular artery, and their veins drain into the pampiniform plexus, which forms the bulk of the spermatic cord. The veins of the pampiniform plexus often become varicose, a condition termed varicocele.