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单词 cribellum
释义

Definition of cribellum in English:

cribellum

nounPlural cribella krɪˈbɛləmkrəˈbeləm
Zoology
  • (in some spiders) an additional spinning organ with numerous fine pores, situated in front of the spinnerets.

    〔动〕(某些蜘蛛的)筛器,辅助吐丝器官

    Example sentencesExamples
    • When a Uloborus emerges from an egg sac, its cribellum is not formed and it can not produce capture threads until it molts (sheds its exoskeleton) and enters the next developmental stage.
    • The cribellum kept the original function (making spinning threads), the colulus not.
    • The cribellum is a cigar-shaped plate on the underside of the abdomen, in front of the spinnerets.
    • Cribellate silk is combed out from the cribellum using the calamistrum, a group of specialized, curved setae on the metatarsus of the fourth leg.
    • Six spinnerets with different types of spigots and a specialised spinning organ called the cribellum.

Derivatives

  • cribellate

  • adjective
    Zoology
    • This month we have something totally different - a cribellate species, Amaurobius similis.
      Example sentencesExamples
      • Classification of the cribellate spiders and some allied families.
      • Vibration transmission characteristics of silk produced by the British cribellate spider Amaurobius similis were determined.
      • Many of the cribellate species are distinctly arboreal, building their small webs on branch tips.
      • Spiders of this type are said to be cribellate and the presence of a cribellum is a useful way to group species (those without one are said to be ecribellate).

Origin

Late 19th century: from late Latin, diminutive of cribrum 'sieve'.

Definition of cribellum in US English:

cribellum

nounkrəˈbeləm
Zoology
  • (in some spiders) an additional spinning organ with numerous fine pores, situated in front of the spinnerets.

    〔动〕(某些蜘蛛的)筛器,辅助吐丝器官

    Example sentencesExamples
    • The cribellum is a cigar-shaped plate on the underside of the abdomen, in front of the spinnerets.
    • Cribellate silk is combed out from the cribellum using the calamistrum, a group of specialized, curved setae on the metatarsus of the fourth leg.
    • When a Uloborus emerges from an egg sac, its cribellum is not formed and it can not produce capture threads until it molts (sheds its exoskeleton) and enters the next developmental stage.
    • Six spinnerets with different types of spigots and a specialised spinning organ called the cribellum.
    • The cribellum kept the original function (making spinning threads), the colulus not.

Origin

Late 19th century: from late Latin, diminutive of cribrum ‘sieve’.

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更新时间:2024/12/27 16:49:12