Figure200 from Chapter 6 (Golgi Apparatus) of 'The Cell, 2nd Ed.' by Don W. Fawcett M.D. The Golgi apparatus in epithelial cells of rat epididymis. The tissue was stained with thiamine pyrophosphatase, causing a reaction product in the innermost cisternae and associated vesicles, revealing specialized compartments within the Golgi. Image by Daniel Friend. A PDF copy of the accompanying chapter is available on the ASCB's BioEDUCATE website.