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词汇 desmosome
释义

Definition of desmosome in English:

desmosome

nounˈdɛzməsəʊmˈdezməˌsōm
Biology
  • A structure by which two adjacent cells are attached, formed from protein plaques in the cell membranes linked by filaments.

    〔生〕桥粒

    Example sentencesExamples
    • Hence the plug is a specialized cytoplasmic structure, unlike desmosomes, gap junctions, or septate junctions, which are formed from membrane appositions.
    • Specialized structures were present, including microvilli of varying length, desmosomes, and cell membrane interdigitations.
    • Vimentin fibers terminate at the nuclear membrane and at desmosomes, or adhesion plaques, on the plasma membrane.
    • The diagnosis was confirmed by the ultrastructural demonstration of large desmosomes and long microvilli at the cell surface.
    • These spindle cells formed small desmosomes and produced patchy basement membrane.

Derivatives

  • desmosomal

  • adjective
    Biology
    • Electron microscopic examination performed from the paraffin-embedded tissue revealed desmosomal structures and thin, elongated, wavy, branching microvilli characteristic of mesothelial cells.
      Example sentencesExamples
      • Ultrastructural examination of the paraffin-embedded tissue demonstrated long and thin interdigitating cytoplasmic processes and desmosomal cell junctions between adjacent cell processes.
      • They connect with the developing keratinocytes through intercellular connections, or desmosomal junctions.
      • Focal neuroendocrine membrane-bound dense-core granules surrounded by a slender halo and desmosomal intercellular junctions were demonstrated.
      • The epidermal cells in the upper layers are connected to each other through extensive desmosomal junctions.

Origin

1930s: from Greek desmos 'bond, chain' + -some3.

Definition of desmosome in US English:

desmosome

nounˈdezməˌsōm
Biology
  • A structure by which two adjacent cells are attached, formed from protein plaques in the cell membranes linked by filaments.

    〔生〕桥粒

    Example sentencesExamples
    • Hence the plug is a specialized cytoplasmic structure, unlike desmosomes, gap junctions, or septate junctions, which are formed from membrane appositions.
    • These spindle cells formed small desmosomes and produced patchy basement membrane.
    • The diagnosis was confirmed by the ultrastructural demonstration of large desmosomes and long microvilli at the cell surface.
    • Specialized structures were present, including microvilli of varying length, desmosomes, and cell membrane interdigitations.
    • Vimentin fibers terminate at the nuclear membrane and at desmosomes, or adhesion plaques, on the plasma membrane.

Origin

1930s: from Greek desmos ‘bond, chain’ + -some.

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