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Testing for Odor Discrimination and Habituation in Mice
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The discrimination of cat odours by humans

Nicola Courtney1, Deborah L Wells

  • 1Canine Behaviour Centre, School of Psychology, Queen's University Belfast, Northern Ireland, UK.

Perception
|May 23, 2002
PubMed

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Olfaction01:25

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...