近些年来发现在国内脱髓鞘病并不少见,现将有关各点介绍于下:一、髓鞘的解剖生理神经系统主要由神经细胞和神经纤维所组成,神经细胞含有细胞质和细胞核;神经纤维分轴索、髓鞘和神经膜三部分。轴索离开神经细胞不远,就被一层白色的髓膜所包裹,这叫髓鞘。髓鞘的生理功能在于保护轴索,就象导电体外面所包的 In recent years found that demyelinating disease is not uncommon in the country, now the relevant points are introduced in the next: First, the myelin anatomy and physiology Nervous system consists mainly of nerve cells and nerve fibers, neurons contain the cytoplasm and nucleus; nerve Axillary fiber axons, myelin and three parts of the neural membrane. Axles leave the nerve cells not far, it was a layer of white membrane wrapped, called myelin. The physiological function of the myelin sheath is to protect the axon, just as it is covered by an electrical conductor