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Olfaction

Olfaction

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...

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Related Experiment Video

Updated: May 27, 2025

Controlled Odor Mimic Permeation Systems for Olfactory Training and Field Testing

Controlled Odor Mimic Permeation Systems for Olfactory Training and Field Testing

Published on: January 28, 2021

Olfactory Training: Recommendation Frequency amongst Rhinologists

Sherina R Thomas^1,2, Vincent L Nguyenkhoa², Jose L Mattos^2,3

¹Medical Student Summer Research Program, University of Virginia School of Medicine, Charlottesville, Virginia, USA.

International Forum of Allergy & Rhinology

|February 16, 2025

Summary

No abstract available in PubMed .

Keywords:

anosmia hyposmia parosmia phantosmia smell

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