| 单词 | 肌原纤维 |
| 释义 | 〔myofilament〕Any of the ultramicroscopic filaments, made up of actin and myosin, that are the structural units of a myofibril.肌丝：一种极微小的细丝，由肌动朊和肌球蛋白组成，是肌原纤维的结构单位〔myofibril〕Any of the threadlike fibrils that make up the contractile part of a striated muscle fiber. Also called sarcostyle 肌原纤维：一种线状的纤维，它组成了有条纹肌肉的可收缩部分 也作 sarcostyle |
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