The organs forming the male duct system as listed from the male gonad to the body exterior are;
Epididymis = Vas deferens = Urethra
Epididymis is a tube located at the back of the testicles that stores and carries sperm. Vas deferens transports sperm from the epididymis to the ejaculatory ducts in anticipation of ejaculation. The urethra carries urine from the bladder to outside of the body. Additionally, it has function of ejaculating semen when the man reaches orgasm.