| 心肌和骨骼肌对低血钙不同反应性机理的初步研究 |
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| 引用本文： | 黄林邦,韩光,申力,阮剑波,李青松. 心肌和骨骼肌对低血钙不同反应性机理的初步研究[J]. 赣南医学院学报, 1988, 0(1) |
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| 作者姓名： | 黄林邦 韩光 申力 阮剑波 李青松 |
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| 作者单位： | 赣南医专病生教研室(黄林邦，韩光，申力，阮剑波)，赣南医专化学教研室(李青松) |
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| 摘 要： | 本实验采用枸椽酸钠等静脉输入复制家兔低血钙。实验动物血钙显著下降,同时出现骨骼肌抽搐和心肌收缩性下降。测定骨骼肌匀浆钙含量在低血钙前、后均比心肌匀浆高。认为这两种肌肉细胞内固有钙含量的差异,是低血钙时骨骼肌收缩亢进和心肌收缩性下降的原因之一,其次为神经肌肉的兴奋性改变。
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| 关 键 词： | 血钙过少 骨骼肌 心肌 心肌收缩 兔 |
An Approach to the Different Responseness Mechanism of Myocardium and Sekelete Muscle to Hypocalcemia |
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| Haung Lin bang,et al.. An Approach to the Different Responseness Mechanism of Myocardium and Sekelete Muscle to Hypocalcemia[J]. Journal of Gannan Medical College, 1988, 0(1) |
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| Authors: | Haung Lin bang et al. |
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| Abstract: | Hypocalceraia of rabbits resulted from the intravenous infusion of sodium citrate. The twitch of their limbs and the decreasing contractility of myocardium arised simultaneously in all animals during hypocalcemia. The experimental results exhibited that (Ca++) in the homogenate of sekelete muscle was higher than that of myocardium ( P<0.05 ) in spite of pre-and post-hypocalcetnia. It is supposed that the intrinsical concentration of intracellular calcium is responsible for the fact that the different responseness of myocardium and sekelete muscle occured during hypocalcemia. But the nervemuscular excitability also plays a certain role in the process. |
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| Keywords: | hypocalcemia Skeletal muscle Myocardium Myocardial contraction Rabbits. |
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