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词汇 neuromast
释义

Definition of neuromast in English:

neuromast

noun ˈnjʊərə(ʊ)mastˈn(y)o͝orəˌmast
Zoology
  • A sensory organ of fishes and larval or aquatic amphibians, typically forming part of the lateral line system.

    〔动〕神经丘

    Example sentencesExamples
    • Adult salamanders that feed in water possess both ampullary organs and neuromasts, and probably use both to direct their feeding strikes, in addition to visual, olfactory, and tactile cues.
    • The macular neuromast organs bear otoliths, as described above.
    • The lateral line system of fishes and many amphibians comprises lines of mechanoreceptive neuromasts distributed over the head and trunk.
    • The size and number of cranial neuromasts has increased, possibly to more effectively avoid obstacles while swimming in darkness.
    • The neuromasts of this canal are the only ones to be innervated by the otic branch of the facialis nerve, or by its superficial ophthalmic branch.

Origin

Early 20th century: from neuro- 'of nerves' + Greek mastos 'breast'.

Definition of neuromast in US English:

neuromast

nounˈn(y)o͝orəˌmast
Zoology
  • A sensory organ of fishes and larval or aquatic amphibians, typically forming part of the lateral line system.

    〔动〕神经丘

    Example sentencesExamples
    • The neuromasts of this canal are the only ones to be innervated by the otic branch of the facialis nerve, or by its superficial ophthalmic branch.
    • The macular neuromast organs bear otoliths, as described above.
    • Adult salamanders that feed in water possess both ampullary organs and neuromasts, and probably use both to direct their feeding strikes, in addition to visual, olfactory, and tactile cues.
    • The size and number of cranial neuromasts has increased, possibly to more effectively avoid obstacles while swimming in darkness.
    • The lateral line system of fishes and many amphibians comprises lines of mechanoreceptive neuromasts distributed over the head and trunk.

Origin

Early 20th century: from neuro- ‘of nerves’ + Greek mastos ‘breast’.

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