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词汇 exocytosis
释义

Definition of exocytosis in English:

exocytosis

nounˌɛksəʊsʌɪˈtəʊsɪsˌeksōsīˈtōsəs
mass nounBiology
  • A process by which the contents of a cell vacuole are released to the exterior through fusion of the vacuole membrane with the cell membrane.

    〔生〕胞吐(作用),胞外分泌

    Example sentencesExamples
    • Membrane fusion is a key event in many essential cell processes, such as exocytosis, endocytosis, membrane recycling, protein sorting and transport, fertilization, and cell division.
    • Urea and lysozyme secretion were dose dependent in all groups, suggesting that serous cell exocytosis was one source of urea after neural stimulation.
    • Synaptic nerve terminals and neuroendocrine cells rely on continuous vesicle cycling to support sustained exocytosis and transmitter release.
    • Planar-supported membranes provide an interesting and very useful new approach to study the complex molecular machinery of exocytosis and membrane fusion.
    • In the studies cited, only the intensity of fluorescence was used to observe the metabolism, exocytosis and phagocytosis of cells.

Derivatives

  • exocytotic

  • adjectiveˌɛksəʊsʌɪˈtɒtɪk
    Biology
    • Hormones are released from neuroendocrine cells by passing through an exocytotic pore that forms after vesicle and plasma membrane fusion.
      Example sentencesExamples
      • Can similar conformational transitions occur in vivo, for example, during exocytotic swelling of secretory granules or in a stretched fibronectin matrix?
      • In addition to factors regulating the fusion of exocytotic vesicles with the plasma membrane, postfusion events have attracted broad scientific interest.
      • Although the mechanisms of acidification remain uncertain, the idea that pH changes may facilitate secretion by affecting exocytotic proteins, making them more fusogenic, has also been considered.
      • Release of neurotransmitters and hormones from cells involves exocytotic fusion of secretory vesicles with the plasma membrane.

Definition of exocytosis in US English:

exocytosis

nounˌeksōsīˈtōsəs
Biology
  • A process by which the contents of a cell vacuole are released to the exterior through fusion of the vacuole membrane with the cell membrane.

    〔生〕胞吐(作用),胞外分泌

    Example sentencesExamples
    • In the studies cited, only the intensity of fluorescence was used to observe the metabolism, exocytosis and phagocytosis of cells.
    • Synaptic nerve terminals and neuroendocrine cells rely on continuous vesicle cycling to support sustained exocytosis and transmitter release.
    • Membrane fusion is a key event in many essential cell processes, such as exocytosis, endocytosis, membrane recycling, protein sorting and transport, fertilization, and cell division.
    • Planar-supported membranes provide an interesting and very useful new approach to study the complex molecular machinery of exocytosis and membrane fusion.
    • Urea and lysozyme secretion were dose dependent in all groups, suggesting that serous cell exocytosis was one source of urea after neural stimulation.
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