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ampulla of Lorenzini

[lawr-uh n-zee-nee]
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noun Ichthyology.
  1. any of an array of electroreceptors in the head of sharks, skates, and rays capable of detecting weak electrical signals produced by muscular activity in other creatures.
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Origin of ampulla of Lorenzini

after Italian physician Stefano Lorenzini (flourished 1678), who first described them
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018