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Right olfactory epithelium as mapped by German anatomist Albert von Brunn (1849-1895) in 1892

"Right nasal cavity. The septum S detached all around, with the exception of the upper edge, and folded upwards. The dark figure represents the spread of the olfactory epithelium as it appears after reconstruction ... male, 30 years old." (Source: Brunn A. Beiträge zur mikroskopischen Anatomie der menschlichen Nasenhöhle. Arch Mikr Anat 1892;39:632-51.)