Hirudinea

Hirudinea
The leeches, a class of worms (phylum Annelida) with flat, segmented bodies, a sucker at the posterior end, and often a smaller sucker at the anterior end; they are predatory on invertebrate tissues, or feed on blood and tissue exudates of vertebrates. [L. hirudo, leech]

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Hir·u·din·ea .hir-(y)ə-'din-ē-ə n pl a class of hermaphroditic aquatic, terrestrial, or parasitic annelid worms distinguished by a coelom nearly obliterated by connective tissue and reduced to a series of vascular sinuses, by modification of the hindmost segments into a sucking disk, and by the absence of parapodia and setae

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Hir·u·din·ea (hir″oo-dinґe-ə) the leeches, a class of the phylum Annelida; it includes the genera Haemadipsa, Haementeria, Haemopis, Hirudinaria, Hirudo, Limnatis, and Macrobdella. See also leech.

Medical dictionary. 2011.

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  • Hirudinea — Hir u*din e*a, n. pl. [NL., fr. L. hirudo, hirudinis, a leech.] (Zo[ o]l.) An order of Annelida, including the leeches; called also {Hirudinei}. [1913 Webster] …   The Collaborative International Dictionary of English

  • Hirudinea —   [lateinisch], wissenschaftlicher Name der Blutegel …   Universal-Lexikon

  • Hirudinea — Hirudinea, Egel, ca. 500 meist borstenlose süßwasser und landbewohnende Arten umfassende Unterklasse der ⇒ Clitellata. Die oft zurückgebildete innere Segmentierung entspricht nicht der äußeren. Vordere und hintere Segmente sind je zu einem… …   Deutsch wörterbuch der biologie

  • Hirudinea — « Sangsue » redirige ici. Pour les autres significations, voir Sangsue (homonymie). Sangsue …   Wikipédia en Français

  • Hirudinea — Dieser Artikel befasst sich mit den zu den Ringelwürmern gehörenden Egeln (Hirudinea); der Begriff „Egel“ wird daneben auch als Wortelement zur Bezeichnung verschiedener Gattungen der Saugwürmer (Trematoda) verwendet. Hirudinea Hirudinea… …   Deutsch Wikipedia

  • Hirudinea —   Sanguijuelas Una sanguijuela en un manantial, buscando efí …   Wikipedia Español

  • Hirudinea — noun hermaphroditic aquatic or terrestrial or parasitic annelids • Syn: ↑class Hirudinea • Hypernyms: ↑class • Member Holonyms: ↑Annelida, ↑phylum Annelida • Member Meronyms: ↑ …   Useful english dictionary

  • Hirudinea — Annelida An*nel i*da, n. pl. [NL. See {Annelid}.] (Zo[ o]l.) A division of the Articulata, having the body formed of numerous rings or annular segments, and without jointed legs. The principal subdivisions are the {Ch[ae]topoda}, including the… …   The Collaborative International Dictionary of English

  • Hirudinea — …   Википедия

  • Hirudinea — /hir oo din ee euh/, n. the class comprising the leeches. [ < NL; see HIRUDINEAN] * * * …   Universalium

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