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Meaning of electroreceptor

e•lec•tro•re•cep•tor

Pronunciation: (i-lek"trō-ri-sep'tur), [key]
— n. Zool.
  1. any of an array of tiny, electrically sensitive ampullar organs present in sharks, electric eels, catfish, and certain other fishes, each organ being composed of a bundle of nerve fibers and sensory cells within a gel-filled conducting duct that can pick up weak electrical currents emitted by creatures moving in the water.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.