【单选题】【消耗次数：1】
骨胳肌内肌梭的主要功能是（）
①
感受骨胳肌的痛觉
②
感受肌腱张力
③
感受骨骼肌的压觉
④
引起肌纤维的收缩
⑤
感受肌纤维的伸缩变化
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相关题目
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骨骼肌纤维的基本单位肌节是指（）
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关于骨骼肌收缩机制，下述错误的是（）
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引起兴奋－收缩耦联的离子是Ca<sup>2+</sup>；
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细肌丝向粗肌丝滑行；
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Ca<sup>2+</sup> 与横桥结合；
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横桥与肌纤蛋白结合；
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肌节缩短
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