Knollenorgan

== English == === Etymology === Borrowed from German Knollenorgan (literally “tuber organ”), from Knolle +‎ -n- +‎ Organ, because they resemble tubers. === Noun === Knollenorgan (plural Knollenorgans) A tuberous electroreceptor organ found in the skin of weakly electric fish of the family Mormyridae from Africa, which is specialized for electrical communication. === References === Bennett, M. V. L. (1965) Electroreceptors in Mormyrids. Cold Spring Harbor Symposium Quantitative Biology. 30:245-262. Bennett, M. V. L. (1971) Electroreceptors. In: Fish Physiology, W. S. Hoar and D. J. Randall, Eds., pp. 493-574. Academic Press, New York. Franz, V. (1920) Zur mikroscopischen Anatomie der Mormyriden. Zool. Jb. Anat. Abt. 43, 91-148. Szabo, T. (1965) Sense organs of the lateral line system of some electric fish of the Gymnotidae, Gymnarchidae, and Mormyridae. J. Morph. 117:229-250.