在脊髓的正中有一纵行管，叫脊髓中央管。此管向上通第四脑室，下端在脊髓圆椎内膨大，形成终室。管壁被有上皮。幼儿期管内有脑脊液，成年时管常被上皮屑所阻塞。管的周围为脊髓灰质。此中央管扩大或过早阻塞均可引起某些临床症状。
中央管直径和面积百分比的图像分析结果显示人与动物骨的差异均有显著意义。
Significant differences in the central canal diameter and total area percentage between human and animal bones were shown by imaging analysis.
内侧径路经间脑室周、中脑中央灰质、第四脑室底、孤束核—迷走背核复合体、延髓与脊髓中央管周下行。
The other bundle from PVN, the medial, descends through diencephalic periventricular gray, periaqueductal gray, floor of ventricle IV, SVC and medullary-spinal central gray.
本文用透射电镜对大鼠延髓中央管室管膜作了观察，发现延髓中央管室管膜存在构造分区，即中央管背侧部室管膜细胞与腹侧部室管膜细胞在分布和排列上有差异。
Observation of central canal ependyma of medulla oblongata in rat was carried out under transmissive electron microscope in the present study. Tanycytes were found mainly in the dorsal ependyma.
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