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Normal anatomy; nasal passage and olfactory bulb; rat. Cross section through the posterior region of the nasal passage lined by olfactory epithelium (main olfactory epithelium; MOE) and dorsally, the main olfactory bulb with its micro-anatomical features: GI = Glomerular layer; EPI = external plexiform layer; MI = mitral cell layer; IPI = internal plexiform layer; GR = granular layer. The accessory olfactory bulb is not included at this level.
