Noun
The word is derived from ampulla
of Ampulla
Source: Webster's dictionaryAdaptations A great white shark swimming Great white sharks, like all other sharks, have an extra sense given by the ampullae of Lorenzini which enables them to detect the electromagnetic field emitted by the movement of living animals. Source: Internet
Sharks use the ampullae of Lorenzini to detect the electromagnetic fields that all living things produce. citation This helps sharks (particularly the hammerhead shark ) find prey. Source: Internet
Vesiculae seminales and ampullae of ductus deferentes, front view. Source: Internet