Johnston's organ


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Johnston's organ

an organ situated at the base of the insect antenna consisting of a group of CHORDOTONAL RECEPTORS, probably associated with movement of the antenna.
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Among the topics are the development of the auditory organ (Johnston's organ) in Drosophila, planar cell polarity in the cochlea, the development of mammalian primary sound localization circuits, developmental plasticity of the central auditory system: evidence from deaf children fitted with cochlear implants, and the development of vestibular systems in altered gravity.
In particular, the model seems to indicate that scolopidia located toward the tip of the Johnston's organ are responsible for the entrainment of the other scolopidia, and that they give the largest contribution to the mechanical amplification.
High-powered microscopes and chemical analysis revealed the presence of the dirt-acquired magnetic particles in the antennae, intriguingly next to a body part called the Johnston's organ that may also be part of the ant's GPS.

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