Functional Anatomy of the Mammalian Chemoreceptor System

  • P. P. C. Graziadei


The sensation of smell, which is elicited when odorous substances contact the receptor membranes, is perceived by the animal as a unitary experience affecting his behavior in one of two ways: attraction or withdrawal. However, if we study the anatomical substrate to this unitary experience which gives rise to specific behavioral responses, we find that more than one channel of sensory input is involved. The olfactory nerve itself is but one of these several channels. Each of the systems involved in odor perception is morphologically distinct having both its own peripheral distribution and discrete central projection.


Olfactory Bulb Olfactory Receptor Olfactory Epithelium Olfactory Nerve Functional Anatomy 
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© Plenum Press, New York 1977

Authors and Affiliations

  • P. P. C. Graziadei
    • 1
  1. 1.Department of Biological ScienceFlorida State UniversityTallahasseeUSA

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