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.

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。

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