also, the internal architecture of bones is in part influenced by muscle tonus , which in turn depends on central nervous system activity.
此外,骨骼的内部结构会某种程度上地受到肌紧张的影响,而肌肉的紧张则取决于中枢神经系统的活动。
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.