轴突是一个细长的传导物质，将神经细胞的脉动传送至身体各部分，从而控制身体的动作。
Axons are the long slender projections that transmit nerve-cell impulses to the rest of the body, controlling movement.
轴突上的膨胀部分被称为突触前膨体(presynaptic bouton)，它占据了突触的一半，突触是两个神经细胞之间的连接点。
The swellings that bud off of them, called presynaptic boutons, form one half of the synapse - the connection between two neurons.
他们说，这种药物看来能够除去通常阻止受伤神经细胞重生轴突的障碍。
Recovery from spinal cord injuries is often impossible because of the formation of scar tissue, which impedes the growth of new nerves.
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