<prompt> The lymphatic drainage of testes isInguinal lymph nodeMesenteric lymph nodePara-aortic lymph nodeObturator lymph node  <response>: 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. 