SNEER 发表于 2025-3-23 10:35:13
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https://doi.org/10.1007/978-3-662-41084-4both importance and complexity. It is now generally agreed that both intracellular and extracellular sources of Ca. are involved and that the relative extent of their involvement is dependent upon the smooth muscle, the stimulant and its concentration, and upon the component (phasic or tonic) of mecpatriot 发表于 2025-3-24 02:54:29
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https://doi.org/10.1007/978-3-662-02061-6tivation of Mg. -ATPase activity of myosin by actin. It is generally accepted that this process is regulated by free calcium ion concentration in the muscle cell. The factors and the cell components that regulate the intracellular calcium concentration in smooth muscle is the topic of other chapters大方一点 发表于 2025-3-24 19:18:06
https://doi.org/10.1007/978-3-662-02061-6brane, (b) excitation-contraction (E-C) coupling, which includes the release of Ca. from internal stores and increased transmembrane Ca. transport resulting ultimately in an increase in the cytoplasmic free Ca. concentration, (c) the supply of ATP for contraction and its resynthesis by cell metaboliCURL 发表于 2025-3-25 02:30:16
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