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Mammal olfactory system (schematic)

Cajal's schematic drawing of the mammal’s olfactory system. Legend: (A) Olfactory lobe. (B) Olfactory bulb’s glomerular layer. (C) Cribriform plate. (D) Olfactory epithelium or nasal mucosa. (a) Supporting cells. (b) Olfactory sensory neurons. (Source: Ramón y Cajal S. Nuevo concepto de la Histología de los centros nerviosos. Conferencia III. Rev Cienc Méd Barc 1892;18:457-76. Instituto Cajal, Madrid, Spain. See also: Figueres-Oñate M, Gutiérrez Y, López-Mascaraque L. Unraveling Cajal's view of the olfactory system. Front Neuroanat 2014;8:55. Creative Commons Attribution [CC BY] license, creativecommons.org/licenses/by/4.0.)

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