Schematic drawing with a coronal cut through the OB, demonstrating asymmetric neuronal layering in an adult OB. a, Nasal olfactory epithelium. b, Cribriform.

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Schematic drawing with a coronal cut through the OB, demonstrating asymmetric neuronal layering in an adult OB. a, Nasal olfactory epithelium. b, Cribriform plate. c, Glomerular layer. d, Mitral cell layer. e, Olfactory bulb. f, Olfactory tract. Schematic drawing with a coronal cut through the OB, demonstrating asymmetric neuronal layering in an adult OB. a, Nasal olfactory epithelium. b, Cribriform plate. c, Glomerular layer. d, Mitral cell layer. e, Olfactory bulb. f, Olfactory tract. J.F. Schneider, and F. Floemer AJNR Am J Neuroradiol 2009;30:1149-1152 ©2009 by American Society of Neuroradiology