mesothorax-
The singing movements of crickets is accomplished by the movement of eight pairs of muscles in the mesothorax .
蟋蟀的鸣叫运动是通过8对中胸肌肉束的运动来完成的。
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The gland cell are mainly situated in the thorax terga , especially in the mesothorax tergum , with a few in its head and terga of the first and the second abdominal segments .
腺体细胞主要分布在胸部背板上，头部和腹部第一、二节上也有少数腺细胞。