It is the influence of muscle tonus upon bone formation that brings this aspect of morphogenesis back to an interaction with the central nervous system.

就是肌肉强直性对骨骼形成的影响把形态发生的观点拉回到与中央神经系统的互动中。

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Muscle tonus is, in a sense, the beginning of behavior.

肌肉强直性是、就某种意义来说、行为的开端。

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