Lacking a myelin sheath. Used of a nerve fiber.

(神经细胞)由髓鞘质层覆盖.

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To destroy or remove the myelin sheath of a nerve fiber, as through disease.

失去髓磷质(通过疾病等)破坏或移走(神经纤维)鞘中的髓磷质.

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And wide gaps appeared between axon and myelin sheath, and between layers of myelin shea.

可见轴突与髓鞘间及髓鞘板层间形成宽大的裂隙.

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Most neurons are insulated by a myelin sheath formed by cells ( Schwann cells ) surrounding the axons.

大多数的神经元由一层包绕周围轴突的髓鞘 ( 其细胞现称施万氏细胞 ) 与外界隔绝.

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