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A sucker in zoology refers to a specialised attachment organ of an animal. It acts as an adhesion device in parasitic worms, several flatworms, cephalopods, certain fishes, amphibians, and bats. It is a muscular structure for suction on a host or substrate. In parasitic annelids, flatworms and roundworms, suckers are the organs of attachment to the host tissues. In tapeworms and flukes, they are a parasitic adaptation for attachment on the internal tissues of the host, such as intestines and blood vessels. In roundworms and flatworms they serve as attachment between individuals particularly during mating. In annelids, a sucker can be both a functional mouth and a locomotory organ. The structure and number of suckers are often used as basic taxonomic diagnosis between different species, sin

AttributesValues
rdf:type
rdfs:label
  • Ventosa (zoologia) (ca)
  • Přísavka (cs)
  • Saugnapf (Zoologie) (de)
  • Ventosa (biología) (es)
  • Bentosa (biologia) (eu)
  • Ventosa (biologia) (it)
  • Ventosa (biologia) (pt)
  • Sucker (zoology) (en)
rdfs:comment
  • Přísavka je orgánová modifikace miskovitého tvaru sloužící k přichycení rostliny nebo živočicha k určitému povrchu. Princip přísavky funguje na principu instalatérského zvonu. Přísavka je přichycena pevně k povrchu tak, že při jejím styku s povrchem dojde k odčerpání vzduchu z miskovitého prostoru. Tím vznikne mezi podkladem a dnem přísavky podtlak a ta je tak pevně přichycena k podkladu. (cs)
  • Les ventoses són òrgans que presenten alguns animals com els cefalòpodes o les sangoneres per tal d'adherir-se a objectes o superfícies. Les ventoses poden ser presents a la boca, a les o a altres parts del cos. Tenen la característica de presentar una propietat d'enganxar-se a superfícies (normalment planes). Existeix la frase típica de: Sembla que tingui una ventosa! (fent referència a la forma i grandària dels llavis d'una persona) (ca)
  • Biologian, bentosa zenbait animaliak (narrastiak eta anfibioak, oro har) aho, oin edo gorputzeko beste zenbait lekutan duten organoa da, hutsa sortzeko balio duena eta funtzio ugari dituena (zerbaiti itsastea, elikagaia ahoratzea, lokomozioan laguntzea eta abar). Olagarroek, sugandilek, dragoitxo arruntek, igelek, kamaleoiek, muskerrek, arrabioek eta uhandreek bentosak dituzte. (eu)
  • La ventosa è un organo che permette ad alcuni animali, solitamente rettili e anfibi, di aderire a superficie verticali come muri, alberi e vetri. È presente nelle lucertole muraiole, nei gechi, nelle rane, nei camaleonti, negli elodermi, nei ramarri, nelle salamandre e nei tritoni. (it)
  • Ein Saugnapf oder Sauger (Bothridium, Plural Bothridia) in der Zoologie ist ein spezielles Befestigungsorgan eines Tieres. Es fungiert als Haftvorrichtung bei parasitären Würmern, mehreren Plattwürmern, Kopffüßern, bestimmten Fischen, Amphibien und Fledermäusen. Es ist eine Muskelstruktur zum Absaugen auf einem Wirt oder Substrat. Bei parasitären Anneliden, Plattwürmern und Spulwürmern sind Saugnäpfe die Organe der Bindung an das Wirtsgewebe. Bei Bandwürmern und Egeln sind sie eine parasitäre Anpassung zur Befestigung an den inneren Geweben des Wirts, wie Darm und Blutgefäßen. Bei Spulwürmern und Plattwürmern dienen sie als Bindung zwischen Individuen, insbesondere während der Paarung. Bei Anneliden kann ein Sauger sowohl ein funktioneller Mund als auch ein Bewegungsorgan sein. Die Struktu (de)
  • En zoología, una ventosa es un órgano con el que cuentan algunos animales en distintas partes del cuerpo, generalmente boca, apéndices o extremidades y que utilizan generalmente para adherir, agarrar o succionar. (es)
  • A sucker in zoology refers to a specialised attachment organ of an animal. It acts as an adhesion device in parasitic worms, several flatworms, cephalopods, certain fishes, amphibians, and bats. It is a muscular structure for suction on a host or substrate. In parasitic annelids, flatworms and roundworms, suckers are the organs of attachment to the host tissues. In tapeworms and flukes, they are a parasitic adaptation for attachment on the internal tissues of the host, such as intestines and blood vessels. In roundworms and flatworms they serve as attachment between individuals particularly during mating. In annelids, a sucker can be both a functional mouth and a locomotory organ. The structure and number of suckers are often used as basic taxonomic diagnosis between different species, sin (en)
  • A ventosa é um órgão de certos animais aquáticos ou endoparasitas de outros animais. Em alguns casos, as ventosas são utilizadas apenas para fixação do animal a um suporte, como na rémora (ou peixe-piolho), enquanto que noutros são uma adaptação da boca e servem, não somente para fixação, mas também para sucção dos fluidos do interior do corpo do hospedeiro, como no caso da lampreia ou da sanguessuga. Um caso bem conhecido de endoparasita que usa ventosas localizadas na cabeça para se fixar às paredes do tubo digestivo do hospedeiro é a ténia. (pt)
foaf:depiction
  • http://commons.wikimedia.org/wiki/Special:FilePath/Taenia_solium_tapeworm_scolex_with_its_four_suckers_and_two_rows_of_hooks_5262_lores.jpg
  • http://commons.wikimedia.org/wiki/Special:FilePath/Peerj-292-fig-7_Zoogonidae.png
  • http://commons.wikimedia.org/wiki/Special:FilePath/Toad_and_spiny_lumpsuckers.jpg
  • http://commons.wikimedia.org/wiki/Special:FilePath/Sucking_leech.jpg
  • http://commons.wikimedia.org/wiki/Special:FilePath/Octopus_vulgaris.jpg
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