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词汇 seta
释义

Definition of seta in English:

seta

nounPlural setae ˈsiːtəˈsēdə
Zoology
  • 1A stiff structure resembling a hair or a bristle, especially in an invertebrate.

    〔主动〕(尤指无脊椎动物的)刺毛,刚毛

    Example sentencesExamples
    • Spiders, however, have a different adhesive structure at the tip of each leg, formed from a dense aggregation of miniature hairs called setae.
    • Inside their gill chambers are mats and hair-like setae covered in bacteria.
    • This will take place in a coordinated fashion across fields of setae, thus resulting in a staged detachment process and allowing for controlled weight transference during the locomotor cycle.
    • Each feeding leg, split into two branches, carries stiff bristles and feathery setae.
    • Ice worms propel themselves using setae, extremely small bristles that protrude from the sides of their bodies.
    Synonyms
    hair, whisker
    1. 1.1Botany (in a moss or liverwort) the stalk supporting the capsule.
      〔植〕(苔藓或地钱中支撑蒴果的)蒴柄
      Example sentencesExamples
      • Similarly, setae may be simple stalks with single spatulate tips, or they may be sparsely or profusely branched.
      • Only the youngest sporophytes with unelongated setae were used.
      Synonyms
      stem, shoot, trunk, stock, cane, bine, bent, haulm, straw, reed

Derivatives

  • setaceous

  • adjective sɪˈteɪʃəssəˈteɪʃəs
  • setal

  • adjective
    • The angle of the setal shaft was particularly important in achieving an adhesive bond.
      Example sentencesExamples
      • If this is the case, setal morphology would have a greater effect on force of adhesion than surface chemistry of the seta or substrate.
      • Therefore, capillary forces are strong in the normal direction and weak in the parallel direction, whereas the opposite is true of setal adhesion.
      • The krill then squirt the seawater sideways through their setal filters, entrapping algae in a feeding pattern much like the baleen whales.
      • The width of the setal tips also varies between taxa.

Origin

Late 18th century: from Latin, 'bristle'.

Definition of seta in US English:

seta

nounˈsēdə
Zoology
  • 1A stiff structure resembling a hair or a bristle, especially in an invertebrate.

    〔主动〕(尤指无脊椎动物的)刺毛,刚毛

    Example sentencesExamples
    • Each feeding leg, split into two branches, carries stiff bristles and feathery setae.
    • Inside their gill chambers are mats and hair-like setae covered in bacteria.
    • Spiders, however, have a different adhesive structure at the tip of each leg, formed from a dense aggregation of miniature hairs called setae.
    • This will take place in a coordinated fashion across fields of setae, thus resulting in a staged detachment process and allowing for controlled weight transference during the locomotor cycle.
    • Ice worms propel themselves using setae, extremely small bristles that protrude from the sides of their bodies.
    Synonyms
    hair, whisker
    1. 1.1Botany (in a moss or liverwort) the stalk supporting the capsule.
      〔植〕(苔藓或地钱中支撑蒴果的)蒴柄
      Example sentencesExamples
      • Similarly, setae may be simple stalks with single spatulate tips, or they may be sparsely or profusely branched.
      • Only the youngest sporophytes with unelongated setae were used.
      Synonyms
      stem, shoot, trunk, stock, cane, bine, bent, haulm, straw, reed

Origin

Late 18th century: from Latin, ‘bristle’.

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