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Updated: May 7, 2026

A Free-breathing fMRI Method to Study Human Olfactory Function
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A Free-breathing fMRI Method to Study Human Olfactory Function

Published on: July 30, 2017

The impact and prospect of traumatic brain injury on olfactory function: a cross-sectional and prospective study

Volker Gudziol1, Irene Hoenck, Basile Landis

  • 1Smell and Taste Clinic, Department of Otorhinolaryngology, University of Dresden Medical School, Fetscherstrasse 74, 01307, Dresden, Germany, volker.gudziol@uniklinikum-dresden.de.

European Archives of Oto-Rhino-Laryngology : Official Journal of the European Federation of Oto-Rhino-Laryngological Societies (EUFOS) : Affiliated with the German Society for Oto-Rhino-Laryngology - Head and Neck Surgery
|September 28, 2013
PubMed

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The sense of smell is achieved through the activities of the olfactory system. It starts when an airborne odorant enters the nasal cavity and reaches olfactory epithelium (OE). The OE is protected by a thin layer of mucus, which also serves the purpose of dissolving more complex compounds into simpler chemical odorants. The size of the OE and the density of sensory neurons varies among species; in humans, the OE is only about 9-10 cm2.
The olfactory receptors are embedded in the cilia of the...