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单词 Ectoprocta
释义

Definition of Ectoprocta in English:

Ectoprocta

plural noun ˌɛktə(ʊ)ˈprɒktəˌektəˈpräktə
Zoology
  • another term for Bryozoa
    Example sentencesExamples
    • In the original description we stated that the Cycliophora are related to Entoprocta / Ectoprocta.
    • The internal anatomy is relatively simple, with a U-shaped gut and the anus located outside the ciliated feeding apparatus, a similar arrangement to that found in Ectoprocta and some sessile rotifers.
    • Lophophorates include only three known groups, i.e. Phoronida, Ectoprocta and Brachiopoda.
    • In our original description the Cycliophora was related to the Entoprocta and Ectoprocta on the basis of ultrastructual research.
    • Analyses including a variety of annelids and molluscs do not show Annelida and Mollusca as monophyletic, and the Ectoprocta are usually polyphyletic too.

Derivatives

  • ectoproct

  • noun
    Zoology
    • The body, similar to the zooid of ectoprocts and entoprocts, comprises a cupulate section with a robust attachment.
      Example sentencesExamples
      • A number of groups, such as phoronids, ectoprocts and entoprocts, bear horseshoe-shaped tentacle rings and ‘U’ shaped digestive tracts.
      • The ciliary sieving method of the ectoprocts (gymnolaemates and stenolaemates) seems to be unique in the animal kingdom.
      • The group Lophophorata contains three animal phyla - brachiopods, phoronids, and ectoprocts - all of which bear a ciliated, tentacular feeding apparatus called a lophophore.
      • The position of the ectoprocts is uncertain, but nothing in their morphology indicates deuterostome affinities.

Origin

Modern Latin (plural), from ektos 'outside or external' + prōktos 'anus'.

 
 

Definition of Ectoprocta in US English:

Ectoprocta

plural nounˌektəˈpräktə
Zoology
  • another term for Bryozoa
    Example sentencesExamples
    • In the original description we stated that the Cycliophora are related to Entoprocta / Ectoprocta.
    • Lophophorates include only three known groups, i.e. Phoronida, Ectoprocta and Brachiopoda.
    • Analyses including a variety of annelids and molluscs do not show Annelida and Mollusca as monophyletic, and the Ectoprocta are usually polyphyletic too.
    • The internal anatomy is relatively simple, with a U-shaped gut and the anus located outside the ciliated feeding apparatus, a similar arrangement to that found in Ectoprocta and some sessile rotifers.
    • In our original description the Cycliophora was related to the Entoprocta and Ectoprocta on the basis of ultrastructual research.

Origin

Modern Latin (plural), from ektos ‘outside or external’ + prōktos ‘anus’.

 
 
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更新时间:2024/12/23 9:52:24