INTERACTIONS BETWEEN MOTONEURONES AND MUSCLES IN RESPECT OF THE CHARACTERISTIC SPEEDS OF THEIR RESPONSES
INTERACTIONS BETWEEN MOTONEURONES AND MUSCLES IN RESPECT OF THE CHARACTERISTIC SPEEDS OF THEIR RESPONSES
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DOI：
10.1113/jphysiol.1960.sp006395
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发表时间：
1960-01-01
影响因子：
5.5
通讯作者：
ECCLES, RM
中科院分区：
文献类型：
--
作者：
BULLER, AJ;ECCLES, JC;ECCLES, RM
用猫S后肢进行了神经交叉连接实验，以探索运动神经元是否决定肌肉的速度，或者有效的影响是否在相反的方向。结果表明，神经对肌肉速度的影响并不是神经冲动所致。推测某种物质沿着慢速运动神经元的轴突向下传递，穿过神经肌肉接头，横穿肌纤维，将它们转化为慢收缩单位并保持这种状态。可能还有一种来自快运动神经元的物质，通过类似的途径起作用，加速肌肉收缩。
Nerve cross-union experiments were conducted using the cat''s hind limb in order to discover if motoneurones determine the speed of muscles or if the effective influence is in the reverse direction. It is concluded that the neural influence on muscle speed is not exerted by nerve impulses as such. It is postulated that a substance passes down the axons of slow motoneurones, crosses the neuromuscular junctions and trans-verses the muscle fibers, transforming them into slow contracting units and maintaining them so. Possibly there is also a substance from fast motoneurones that acts via a comparable pathway to accelerate muscle contraction.