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There is no ampulla of ductus deferens in pigs
what causes the ampulla of vater in the pancreas to be prominent
An ampulla of Vater is a swelling which marks the union of the pancreatic duct and the common bile duct.
The ampulla of an insect is the organ that holds sperm. It is used to transfer sperm during the act of reproduction.
An ampulla is either a two-handed Roman vessel, a vessel for holding consecrated wine or oil, or the dilated end of a duct.