Image: Knollenorgan by Viktor Franz 1921
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Description: A Knollenorgan drawn by the German anatomist Viktor Franz, 1921. The microscopic organ is a group of up to 8 receptor cells, up to 60 microns across, attached to a single large myelinated nerve, and placed in a small pit in the skin. The outer surface of the receptor cells is covered in microvilli, providing a very large surface area. Knollenorgans are electroreceptors in the skin of elephantfishes (Mormyridae).
Title: Knollenorgan by Viktor Franz 1921
Credit: http://pages.nbb.cornell.edu/neurobio/hopkins/eodrecog/knollenorgan.html
Author: Viktor Franz (d. 1950)
Usage Terms: Public domain
License: Public domain
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