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单词 ependyma
释义

Definition of ependyma in English:

ependyma

noun ɛˈpɛndɪməəˈpendəmə
mass nounAnatomy
  • The thin membrane of glial cells lining the ventricles of the brain and the central canal of the spinal cord.

    〔剖〕室管膜

    Example sentencesExamples
    • The adjacent cerebral parenchyma and overlying ependyma revealed no discrete inflammation or vasculitis.
    • These include the respiratory epithelium of the airways (respiratory cilia), the embryonic node (primary cilia), and the ependyma of the brain ventricles (ependymal cilia).
    • After the ependyma covering its ventricular surface is stripped away, the elongated caudate nucleus is exposed.
    • Supporting cells of the nervous system include the capsule or satellite cells of peripheral ganglia, ependyma, neuroglia, and Schwann cells.
    • The most cogent theory that supports the occasional finding of subcutaneous islands of ependyma in the postcoccygeal region in infants is that these lesions originate from extramedullary ependymal rests.

Derivatives

  • ependymal

  • adjective
    Anatomy
    • Both spindle cells and ependymal cells were positive for vimentin.
      Example sentencesExamples
      • Characteristically, meningitis, through retrograde spread, often leads to ependymitis (inflammation of the ependymal lining of the ventricular system).
      • Dural, leptomeningeal, or ependymal enhancement are typical findings, none of which were present in this patient.
      • Thus, an ependymal rest trapped in the developing mesonephros could potentially migrate with the tissues of the incipient broad ligament and fuse with the anterior bladder wall.
      • Choroid plexus and ependymal cells are quite similar, with the latter showing more ‘degenerative’ cytologic features and fewer cellular clusters.

Origin

Late 19th century: from Greek ependuma, from ependuein 'put on over'.

Definition of ependyma in US English:

ependyma

nounəˈpendəmə
Anatomy
  • The thin membrane of glial cells lining the ventricles of the brain and the central canal of the spinal cord.

    〔剖〕室管膜

    Example sentencesExamples
    • These include the respiratory epithelium of the airways (respiratory cilia), the embryonic node (primary cilia), and the ependyma of the brain ventricles (ependymal cilia).
    • The adjacent cerebral parenchyma and overlying ependyma revealed no discrete inflammation or vasculitis.
    • The most cogent theory that supports the occasional finding of subcutaneous islands of ependyma in the postcoccygeal region in infants is that these lesions originate from extramedullary ependymal rests.
    • After the ependyma covering its ventricular surface is stripped away, the elongated caudate nucleus is exposed.
    • Supporting cells of the nervous system include the capsule or satellite cells of peripheral ganglia, ependyma, neuroglia, and Schwann cells.

Origin

Late 19th century: from Greek ependuma, from ependuein ‘put on over’.

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更新时间:2024/12/27 4:31:22