Labrum

Labrum

Das Labrum (n., pl. Labri, lat. wie labium "Lippe, Lefze, Kufe, Wanne") ist die Oberlippe bestimmter Gliederfüßer, vor allem der Krebstiere und Insekten. Es stellt den vorderen Abschluss der Mundwerkzeuge dar. Meist ist es als Platte ausgebildet und liegt unpaar unterhalb der Stirn (Clypeus), mit der es bei vielen Insekten auch verwachsen sein kann (Clypeolabrum). Eine Homologie mit Extremitäten besteht nicht.

Quellen

Erwin Hentschel, Günther Wagner: Zoologisches Wörterbuch, Gustav Fischer Verlag Jena, 4. Auflage 1990. ISBN 3-334-00348-5


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  • Labrum — (Latin for lip ) can refer to: * In architecture, the large vessel of a warm bath in the Roman thermae. These were cut out of great blocks of marble and granite, and have generally an overhanging lip. There is one in the Vatican of porphyry over… …   Wikipedia

  • labrum — m. anat. Labio. ⊆ Borde. Medical Dictionary. 2011. labrum labio, borde, rodete artic …   Diccionario médico

  • labrum — (n.) lip or lip like part, 1816, in various anatomical and zoological uses, from L. labrum, cognate with labium lip (see LIP (Cf. lip) (n.)). Also noted mid 15c. as the name of some herb …   Etymology dictionary

  • Labrum — La brum, n.; pl. L. {Labra}, E. {Labrums}. [L.] 1. A lip or edge, as of a basin. [1913 Webster] 2. (Zo[ o]l.) (a) An organ in insects and crustaceans covering the upper part of the mouth, and serving as an upper lip. See Illust. of {Hymenoptera} …   The Collaborative International Dictionary of English

  • Labrum — (lat.), 1) so v.w. Labium; 2) Wanne od. Becken von Thon, Marmor, Porphyr, Metall, zum Baden od. auch zur Aufbewahrung von Öl u. Wein …   Pierer's Universal-Lexikon

  • Labrum — ⇒ Mundwerkzeuge …   Deutsch wörterbuch der biologie

  • labrum — [lā′brəm, lab′rəm] n. pl. labra [lā′brə, lab′rə] [ModL < L, lip] a lip or liplike edge; esp., the upper or front lip of insects and other arthropods …   English World dictionary

  • Labrum — In medicine, a ring of fibrocartilage (fibrous cartilage) around the edge of the articular (joint) surface of a bone. The Latin labrum means lip. The term is used to designate a lip, edge, or brim. Plural, labra. The glenoid labrum is a ring of… …   Medical dictionary

  • labrum — A bulbous structure lying next to the epistome and bordering the anterior margin of the oral opening. (Syn. upper lip) [Holdich and Jones, 1983]. An unpaired, flat segment of the cephalon that articulates with the clypeus, and anteriorly covers… …   Crustacea glossary

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