1.1 The structure of skeletal muscle fiber under lm 骨感肌纤 毛细血管 骨胳肌纤维-m,纵断一x 骨胳肌纤 暗带 H爷 明带 骨骼肌纤维 Longitudinal section of skeletal muscle1.1 The structure of skeletal muscle fiber under LM Longitudinal section of skeletal muscle