Ampulla of vas deferens

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 which acts as a reservoir for sperm. This structure is seen in some mammalian and squamate species and is sometimes tortuous in shape.

Ampulla of vas deferens
Ampulla of ductus deferens
Prostate with seminal vesicles and ducts, viewed from in front and above.
Seminal vesicles and ampulla of vas deferens, seen from the front.
Details
Identifiers
LatinAmpulla vas deferentis
Ampulla ductus deferentis
Anatomical terminology


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