Johnston's organ

noun John·ston's organ \ˈjän(t)stənz-\

Definition of Johnston's organ

  1. :  a sense organ in the second antennal segment of insects that responds to movements of the antennal flagellum and serves as a flight-speed indicator

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Origin and Etymology of johnston's organ

after Christopher Johnston †1891 American physician

Seen and Heard

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feeling or affected by lethargy

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