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 Schallschnelle-Empfänger ( Gehörsinn): Die Antennengeißel der Mücken wird von den Bewegungen der Luftmoleküle in Schwingung versetzt und überträgt diese Schwingung auf das J.

Deutsch wörterbuch der biologie. 2013.

Schlagen Sie auch in anderen Wörterbüchern nach:

  • 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'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

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

  • 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] * * * …   Universalium

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

  • Metronome (artists' and writers' organ) — Metronome is an artists and writers organ[clarification needed] founded in 1996 by Clémentine Deliss. It acts as alternative art publishing, because it has not a fixed editorial team and a fixed location. Its activity started with the publication …   Wikipedia

  • Daniel Johnston — For the petroleum industry consultant, see Daniel Johnston (consultant). Daniel Johnston Johnston in December 2006 Background information Birth name …   Wikipedia

Share the article and excerpts

Direct link
Do a right-click on the link above
and select “Copy Link”