Ampullae of Lorenzini
Ampullae of Lorenzini
The Ampullae of Lorenzini (pronunciation: am-puh-lee of lor-en-zee-nee) are specialized sensory organs found in certain species of fish and chondrichthyes, including sharks, rays, and chimaeras.
Etymology
The term "Ampullae of Lorenzini" is named after the Italian physician and naturalist Stefano Lorenzini who first described them in 1678.
Function
The Ampullae of Lorenzini are electroreceptors that allow these aquatic animals to detect electric fields produced by potential prey, predators, or mates. They are also believed to play a role in navigation, as they can sense the Earth's magnetic field.
Structure
The Ampullae of Lorenzini are composed of a network of small, jelly-filled canals that lead to sensory cells. These cells are capable of detecting minute changes in electric fields, allowing the animal to perceive electrical signals in its environment.
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