横小管
- 网络transverse tubule;T-tubule;T Tube
横小管-
横小管系统以家鸽心室肌最易辨认，其它均少见。
The transverse tubule system of ventricular muscles of the domestic pigeon was most easily recognized , which was rarely seen in the other animals .
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根据肌浆网与肌膜系统之间的位置关系，骨骼肌偶联有以下3种类型：（1）终池与横小管之间的偶联，如三联体；
On the basis of the position relationship between SR and sarcolemmal system , the skeletal couplings can be classified as follows . 1.The coupling between the terminal cisternae and the transverse tubules such as a triad .
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横小管为扁平状或哑铃状；
T tubules were flat ;
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结论：冷冻和化学固定后，骨骼肌基膜、横小管、终池等结构存在着不同的形态特点。
Conclusion : There existed different morphological features in skeletal muscle after chemical and cryo fixation , especially in triad region .