摘要
用肌球蛋白ATP酶染色法检测6例男性1例女性(17—34岁)双侧咬肌深浅层的肌纤维型构成和分布,结果显示咬肌各型肌纤维基本成棋盘格式布局,Ⅱ型纤维明显小于Ⅰ型纤维,IM纤维在咬肌占一定比例。深层Ⅰ型肌纤维比例明显高于浅层,而Ⅱ型肌纤维则低于浅层,IM纤维在两层间无差异,纤维型构成在左右侧也无差别。
The fiber types of masseter muscles on both sides were studied in 6 male and 1 female cadavers aged from 17-34 years. The muscle samples were obtained from superficial and deep parts of the masseter muscles. The myosin ATPase histochemical reactions were used in all samples. The results demonstrated that the fiber types of the masseter muscles show mosaic pattern distributions. The IM fibers are found in all samples. The area of type Ⅱ fiber is much smaller than that of type I fiber. The proportions of type fiber in deep masster are higher than in superfical masseter. Nosignificant difference is founde between two layers of masseters,neither between both sides.
出处
《遵义医学院学报》
1991年第4期13-16,共4页
Journal of Zunyi Medical University
基金
国家自然科学基金
贵州省科学技术基金
关键词
咬肌
肌纤维型
ATP酶
masseter muscles
fiber types
ATPase
