Lining epithelium of ventricles of brain
Correct Answer: Columnar
Description: The cavity of ventricles is lined by ciliated columnar epithelium- the ependymal cells.Ependyma is one of the four types of neuroglia in the central nervous system.They are of three types: ependymocytes, choroid epithelial cells, tanycytes.TANYCYTES are the ependymal cells lining the floor of fouh ventricle having long basal process.It is involved in the production of cerebrospinal fluid(choroidal epithelial cells) and is shown to serve as a reservoir for neuroregeneration.(Ref: Vishram Singh textbook of clinical neuroanatomy second edition pg 15)
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