Structure/Morphology
The ampulla of the ductus deferens is the enlarged, tortuous terminal portion of the ductus deferens.
Related parts of the anatomy
Key Features/ Anatomical Relations
The ampulla of ductus deferens is located posterior to the fundus of the bladder and medial to the seminal vesicle.
Function
The ampulla of the ductus deferens joins the duct of the seminal vesicle to form the ejaculatory duct, which enters the prostatic urethra.