What is the function of olfactory receptors?

The function of the olfactory receptors is to detect the smell.

Olfactory receptors

Olfactory receptors are found in the nose. They are associated with the perception of a smell. Olfactory receptors expressed in the cell membranes of olfactory receptor neurons are responsible for detecting odour molecules. Activated olfactory receptors are the initial player in a signal transduction cascade which ultimately produces a nerve impulse transmitted to the brain.

  • Olfactory receptors are examples of chemoreceptors.
  • Olfactory receptors are present in the olfactory epithelium of the nasal roof.
  • Each olfactory receptor is associated with an axon, which together forms the olfactory nerve.
  • The olfactory nerve extends to the olfactory bulb in the brain and to the olfactory cortex, which is part of the brain’s limbic system.

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