[i-lek-troh-ri-sep-ter] 
| 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. |
| e·lec·tro·re·cep·tor (ĭ-lěk'trō-rĭ-sěp'tər) n. Any of a series of sensory organs in certain fish, such as sharks, skates, and electric eels, that detect electric fields and are located on the head and along the lateral line. e·lec'tro·re·cep'tion n. |
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