When viewed from a microscope, there is no striation presented in the muscle, and moreover, since it is no controlled by our willpower, it is called involuntary, nonstriated muscle.
从纤维镜下观察，平滑肌无横
状结构，平滑肌不随人
意志收缩，
称不随意肌非横肌。
When viewed from a microscope, there is no striation presented in the muscle, and moreover, since it is no controlled by our willpower, it is called involuntary, nonstriated muscle.
从纤维镜下观察，平滑肌无横状结构，平滑肌不随人意志收缩，称不随意肌非横肌。
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