无髓神经纤维（unmyelinated nerve fiber）：神经元较长的突起常被起绝缘作用的髓鞘和神经膜所包裹，构成有髓神经纤维，若只被神经膜所包裹则称无髓神经纤维。
结果雄性和雌性大鼠大脑白质无髓神经纤维总长度均无显著的老年性降低。
Results in the male and female rats, there was no significant decrease in the total length of unmyelinated fibers in white matter of young and aged rats.
结果神经垂体主要由无髓神经纤维、垂体细胞及富含毛细血管的结缔组织组成。
Results The neurohypophysis was composed of unmyelinated nerve fibres, pituicytes and connective tissue abound in blood capillaries.
结果：神经垂体主要由无髓神经纤维、垂体细胞及富含毛细血管的结缔组织构成。
Result: The neurohypophysis is composed of unmyelinated nerve fibers, pituicytes and connective tissue abound in blood capillaries.
应用推荐