The ampulla of vas deferens, also called the ampulla of ductus deferens, is an enlargement of the
vas deferens at the
fundus of the bladder
The urinary bladder, or simply bladder, is a hollow organ in humans and other vertebrates that stores urine from the kidneys before disposal by urination. In humans the bladder is a distensible organ that sits on the pelvic floor. Urine enters ...
which acts as a reservoir for sperm. This structure is seen in some
mammal
Mammals () are a group of vertebrate animals constituting the class Mammalia (), characterized by the presence of mammary glands which in females produce milk for feeding (nursing) their young, a neocortex (a region of the brain), fur or ...
ian and
squamate species and is sometimes tortuous in shape.
External links
* - "The Male Pelvis: The Urinary Bladder"
Mammal male reproductive system
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