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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 26, 2026

Vertical T-maze Choice Assay for Arthropod Response to Odorants

Vertical T-maze Choice Assay for Arthropod Response to Odorants

Published on: February 14, 2013

Evaluating a persistent nuisance odor in an office building

Diana M Ceballos¹, Gregory A Burr

¹U.S. Department of Health and Human Services, Centers for Disease Control and Prevention, National Institute for Occupational Safety and Health, 4676 Columbia Parkway, MS R-11, Cincinnati, OH 45226, USA. DCeballos@cdc.gov

Journal of Occupational and Environmental Hygiene

|December 14, 2011

Summary

No abstract available in PubMed .

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