(Used, with permission, of Dr Thomas Cremer, Department of Biology II, Anthropology and Human Genetics, Ludwig Maximilian University, Munich, Germany.) Source: Chapter 3. The Nucleus, Junqueira’s Basic Histology, 13e Citation: Mescher AL. Junqueira’s Basic Histology, 13e; 2013 Available at: http://accessmedicine.mhmedical.com/DownloadImage.aspx?image=/data/Books/mesc13/mesc13_c003f007.png&sec=42524974&BookID=574&ChapterSecID=42524589&imagename= Accessed: November 06, 2017 Copyright © 2017 McGraw-Hill Education. All rights reserved