a broad flat muscle in the calf of the leg under the gastrocnemius muscle
双语例句
The soleus originates on the upper tibia and fibula, then runs down the calf to attach to the heel. 比目鱼肌起自胫骨和腓骨的上部，然后沿着小腿一直到脚后跟。
Objective To study changes in electrophysiological characteristics of muscle spindles induced by simulated weightlessness in isolated rats soleus. 目的观察模拟失重不同时期大鼠离体比目鱼肌肌梭电生理特性的改变。
