When sperm leave the epididymis, they enter the
, also called the
The ductus deferens is a thick-walled tube that travels within
, through the inguinal canal, and within the
pelvic cavity before it reaches the prostate gland.
of the ductus deferens unites with the proximal
region of the seminal vesicle to form the terminal portion of the
reproductive duct system, called the