Morphology and Development of the Peripheral Olfactory Organs

  • Thomas A. Keil


The olfactory organ of an insect is formed by a pair of head appendages, the antennae which carry arrays of innervated hair structures, the sensilla. The antennae are the most important multimodal sensory organs for the insects and their relatives, bearing not only the sensilla of olfaction, but also those of taste, mechano-, hygro-, and thermoreception, and sometimes sensors for CO2. For many insects, the olfactory sense, and therefore the antenna, is of utmost importance not only in their search for food for themselves or their offspring, but for intraspecific communication as well, for example in ants or moths.


Primary Cilium Primary Dendrite Maxillary Palp Olfactory Organ Auxiliary Cell 
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Copyright information

© Springer-Verlag Berlin Heidelberg 1999

Authors and Affiliations

  • Thomas A. Keil
    • 1
  1. 1.Max-Planck-Institut für Verhaltensphysiologie SeewiesenStarnbergGermany

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