单词	exocytosis
释义	exocytosis /ˌɛksəʊsʌɪˈtəʊsɪs / noun [mass noun] 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.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.... In the studies cited, only the intensity of fluorescence was used to observe the metabolism, exocytosis and phagocytosis of cells. Planar-supported membranes provide an interesting and very useful new approach to study the complex molecular machinery of exocytosis and membrane fusion. Derivatives exocytotic /ˌɛksəʊsʌɪˈtɒtɪk/ adjective ... Release of neurotransmitters and hormones from cells involves exocytotic fusion of secretory vesicles with the plasma membrane. In addition to factors regulating the fusion of exocytotic vesicles with the plasma membrane, postfusion events have attracted broad scientific interest. Can similar conformational transitions occur in vivo, for example, during exocytotic swelling of secretory granules or in a stretched fibronectin matrix?
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