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单词 utricle
释义

Definition of utricle in English:

utricle

noun ˈjuːtrɪk(ə)lˈjutrəkəl
  • 1A small cell, sac, or bladder-like protuberance in an animal or plant.

    Example sentencesExamples
    • Sauer consequently provided the name Amaranthus rudis for plants with a circumscissily dehiscent utricle and single, well developed sepal.
    • Dehiscent fruits separate along the zone of dehiscence, the utricle cap (with the stigmas) falling free with the seed, the basal portion remaining on the inflorescence with attendant bracts and sepals.
    • The cortical filaments are terminated by small swellings, called utricles, which form the external surface of the thallus.
    • The analysis separates materials primarily based on bract to utricle length ratios and bract length followed by sepal number and utricle dehiscence.
    Synonyms
    bag, pouch, bladder, blister
    1. 1.1 The larger of the two fluid-filled cavities forming part of the labyrinth of the inner ear (the other being the sacculus). It contains hair cells and otoliths which send signals to the brain concerning the orientation of the head.
      Example sentencesExamples
      • The receptor organ of posture and equilibrium is a composite one located in the semicircular canals, the utricle, and the saccule of the inner ear.
      • The neuromasts in the sacculus are apparently oriented oppositely from those in the utriculus.
      • The Epley manoeuvre entails a sequence of movements of head and trunk to rotate the posterior semicircular canal in a plane that displaces the plug of debris from the canal into the utricle of the inner ear, where it is inactive.
      • In terrestrial vertebrates, otoconia are found in three inner-ear sensors, the saccule, the utricle, and the lagena.
      • The utricle can thus send signals to the brain representing a combination of fore - aft and lateral motion of the head, whereas the saccule principally conveys information about vertical motion.

Derivatives

  • utricular

  • adjective juːˈtrɪkjʊləjəˈtrɪkjələr
    • Thus, this project will help us to understand the early and long term effects of altered gravity on the function of its primary receptors, the utricular hair cells.
      Example sentencesExamples
      • Electrophysiological properties of the utricular primary transducer are modified during development under hypergravity.
      • Although we work on diverse hair cell epithelia, our principal model preparation has been the rodent utricular epithelium, which senses linear head movements.
      • The utricular and saccular maculae have similar structures.

Origin

Mid 18th century: from French utricule or Latin utriculus, diminutive of uter 'leather bag'.

 
 

Definition of utricle in US English:

utricle

nounˈjutrəkəlˈyo͞otrəkəl
  • 1A small cell, sac, or bladder-like protuberance in an animal or plant.

    Example sentencesExamples
    • Sauer consequently provided the name Amaranthus rudis for plants with a circumscissily dehiscent utricle and single, well developed sepal.
    • The cortical filaments are terminated by small swellings, called utricles, which form the external surface of the thallus.
    • The analysis separates materials primarily based on bract to utricle length ratios and bract length followed by sepal number and utricle dehiscence.
    • Dehiscent fruits separate along the zone of dehiscence, the utricle cap (with the stigmas) falling free with the seed, the basal portion remaining on the inflorescence with attendant bracts and sepals.
    Synonyms
    bag, pouch, bladder, blister
    1. 1.1 The larger of the two fluid-filled cavities forming part of the labyrinth of the inner ear (the other being the sacculus). It contains hair cells and otoliths which send signals to the brain concerning the orientation of the head.
      Example sentencesExamples
      • The receptor organ of posture and equilibrium is a composite one located in the semicircular canals, the utricle, and the saccule of the inner ear.
      • In terrestrial vertebrates, otoconia are found in three inner-ear sensors, the saccule, the utricle, and the lagena.
      • The neuromasts in the sacculus are apparently oriented oppositely from those in the utriculus.
      • The utricle can thus send signals to the brain representing a combination of fore - aft and lateral motion of the head, whereas the saccule principally conveys information about vertical motion.
      • The Epley manoeuvre entails a sequence of movements of head and trunk to rotate the posterior semicircular canal in a plane that displaces the plug of debris from the canal into the utricle of the inner ear, where it is inactive.

Origin

Mid 18th century: from French utricule or Latin utriculus, diminutive of uter ‘leather bag’.

 
 
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更新时间:2024/12/23 5:31:57