横膈膜：两块肌肉。
The diaphragm: two muscles.
作者信息
De Troyer A, Sampson M, Sigrist S, Macklem P T
出版信息
Science. 1981 Jul 10;213(4504):237-8. doi: 10.1126/science.7244632.
PMID:7244632
Abstract
The costal and crural parts of the diaphragm were separately stimulated in anesthetized dogs. Stimulation of the costal part increased the dimensions of the lower rib cage, whereas stimulation of the costal part decreased the dimensions of the lower rib cage. It is concluded that the diaphragm consists of two muscles that act differently on the rib cage.
摘要
在麻醉犬身上分别刺激膈肌的肋部和脚部。刺激肋部会增大下胸廓的尺寸，而刺激脚部则会减小下胸廓的尺寸。由此得出结论，膈肌由两块对胸廓起不同作用的肌肉组成。
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