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Biopsy performed on the superior nasal septum

(A) Detachment of the olfactory mucosa from the right nasal septum (NS) medial to the superior turbinate (ST) and medium turbinate (MT). (B) Cutting instrument removing the epithelium without damaging the tissue. (C) Olfactory epithelium harvested. (Source: Garcia EC, Luz LA, Anzolin LK, et al. Biopsy of the olfactory epithelium from the superior nasal septum: is it possible to obtain neurons without damaging olfaction? Braz J Otorhinolaryngol 2022;88[5]:787-93. Creative Commons Attribution [CC BY] license, creativecommons.org/licenses/by/4.0.)

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