| 钾离子和钙离子对两栖类骨骼肌收缩性的作用 |
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| 引用本文： | 桑希斌. 钾离子和钙离子对两栖类骨骼肌收缩性的作用[J]. 菏泽学院学报, 2000, 0(4) |
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| 作者姓名： | 桑希斌 |
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| 作者单位： | 菏泽师专生物系 山东菏泽274015 |
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| 摘 要： | 细胞外液中钾离子浓度可影响细胞的静息电位,当细胞外液中钾离子浓度升高时,细胞的静息电位值将下降;细胞外液中钙离子浓度变化对骨骼肌的收缩性有影响,当细胞外液中钙离子浓度下降时,骨骼肌的收缩幅度将变小。
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| 关 键 词： | 两栖动物 骨骼肌 静息电位 钾离子 钙离子 |
The Effect of K~ and Ca~(2 ) Upon the Muscular Contraction of Amphibian |
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| SANG Xi-bin. The Effect of K~ and Ca~(2 ) Upon the Muscular Contraction of Amphibian[J]. , 2000, 0(4) |
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| Authors: | SANG Xi-bin |
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| Abstract: | The resting potential of amphibian cell can be affected by [ K ] in extracellular fluid it dropped while the [K ] rose. The vari ations of [Ca2 ] in extracellular fluid affected the muscular contraction of amphibian the contractiblc extent of skeletal muscle can be reduced while the [Ca 2 ] decreased. |
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| Keywords: | amphibian skeletal muscle resting potential K~ Ca~(2 ) |
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