Oligodendrocytes make myelin, a fatty substance that insulates nerve axons and speeds the conduction of impulses along nerve fibers.

Oligodendrocytes make myelin, a fatty substance that insulates nerve axons and speeds the conduction of impulses along nerve fibers. A: 少突胶质细胞能制造髓磷脂。髓磷脂是一种脂类物质，能使轴突绝缘并能使冲动沿着神经纤维快速传导。 B: 少突胶质细胞能制造髓磷脂。髓磷脂是一种能使轴突绝缘并能使冲动沿着神经纤维快速传导的脂类物质。 C: 少突胶质细胞能制造髓磷脂。髓磷脂是一种脂类物质，它包裹着轴突, 能使冲动沿着神经纤维快速传导。 D: 少突胶质细胞能制造包裹着轴突使冲动沿着神经纤维快速传导的一种脂类物质 — 髓磷脂。