Johnston's organ

Johnston's organ
/jon"steuhnz/, Entomol.
a sense organ in the second segment of the antenna of an insect, sensitive to movements of the antenna's flagellum, as when the insect is in flight.
[named after Christopher Johnston (d. 1891), American physician]

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Universalium. 2010.

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Look at other dictionaries:

  • Johnston's organ — The Johnson s organ can be seen in Drosophila. It consists of a sail like flagellum which rotates in a structure called the funiculus. This movement causes mechanical movement on the surrounding hairs resulting in a nervous signal propagating.… …   Wikipedia

  • johnston's organ — ˈjän(t)stənz noun Usage: usually capitalized J Etymology: after Christopher Johnston died 1891 American physician : a sense organ in the second antennal segment of insects that responds to movements of the antennal flagellum and serves as a… …   Useful english dictionary

  • Johnston's organ — (ARTHROPODA: Insecta) A chordotonal organ located in the second segment of the antenna and functioning in sound perception, flight speed indicator or water wave perception …   Dictionary of invertebrate zoology

  • Johnston's organ — noun A collection of sensory cells found in the pedicel of the antennae in the class Insecta …   Wiktionary

  • organ of Johnston — see Johnston s organ …   Dictionary of invertebrate zoology

  • organ of johnston — Usage: usually capitalized J : johnston s organ …   Useful english dictionary

  • Johnston-Organ —   [ dʒɔnstən ; nach dem amerikanischen Arzt Christopher Johnston, ✝1891], bei Insekten ein im zweiten Fühlerglied befindliches, mit einer wechselnden Zahl von stiftführenden Sensillen (Skolopidien) ausgestattetes Sinnesorgan, das durch Bewegungen …   Universal-Lexikon

  • Johnston-Organ — Johnston Organ, Schallsinnesorgan verschiedener Insektengruppen; enthält als Rezeptoren mehrere ⇒ Scolopidien, die bei Mücken am Gelenk zwischen Antennengeißel und 2. Antennenglied liegen; dient u.a. der Geschlechterfindung. Das J. ist ein… …   Deutsch wörterbuch der biologie

  • Christopher Johnston — For other people named Christopher Johnston, see Christopher Johnston (disambiguation). Christopher Johnston, M.D., Ph.D. (December 8, 1856[1]  – June 26, 1914) was an American physician and Assyriologist, a scholar of ancient Mesopotamia.… …   Wikipedia

  • Chordotonal organ — Chordotonal organs are stretch receptor organs in insects and other arthropods[1] They are used to detect the position of the body segments and appendages, or, in tympanal organs, the vibrations caused by sounds. An example for hearing is the… …   Wikipedia

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