肌质（sarcoplasm），是指横纹肌纤维中的细胞质。
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肌质网发达，与线粒休、核膜广泛联系。
Sarcoplasmic reticulum are well-developed and widely connect with mitochondria and nuclear envelope.
阻塞性肺病中的肌质量与力量：确凿的证据？
Muscle mass and strength in obstructive lung disease: a smoking gun?
目的：观察大鼠骨骼肌肌质网上是否存在非核dna结合蛋白。
Objective: To observe whether there exist non nuclear DNA binding proteins in rats skeletal muscle sarcoplasmic reticulum.
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