Figure 291 from Chapter 10 (Lipochrome Pigment) of 'The Cell, 2nd Ed.' by Don W. Fawcett M.D. Brown cytoplasmic inclusions identified as lipofuscin, or lipochrome pigment increase in number in aging cells of the brain. Image by Enrico Mugnaini. A PDF copy of the accompanying chapter is available on the ASCB’s BioEDUCATE website.