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ependyma n.【動物;動物學】室管膜。-al, -ry adj.

epenthesis

Purpose ependyma is lined in lumen surface of brain ' s ventricles which is composed of single ciliated cuboidal epithelium and a major component of brain csf barrier ( bcb ) and blood csf barrier ( blcb ) . it plays an important role in production of csf , signal traiisttiission , maintainance of homeostasis within the brain , and so on , and a focus of developing pathway both for administration of some drugs into the brain and treatment of brain ' s diseases . ependyma may be specified in some sites perhaps owing to functional need and modified its structures of cells and tissue , which has been called circumventricular organs ( cvos ) since 50 of 20 century 目的室管膜是襯覆在腦室內面的單層纖毛立方上皮,是腦-腦脊液屏障,血-腦脊液屏障的主要組成部分,在腦脊液的產生,腦內信息的轉導,維護腦的微環境等方面具有重要的作用,也是腦內給藥和腦疾病治療新途徑開發關注的焦點之一;室管膜在一些部位可能是由于功能的需要其細胞和組織結構發生了特化,在二十世紀五十年代人們將這些特化的室管膜稱為室周器官。