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Toggle ItemChoroid 4XA: Cerebellum is adjacent to the choroid plexus B: Choroid plexus contains the dark staining nuclei of the ependymal cells. These cells help to form the blood brain barrier. The epithelium of the choroid plexus is the sheets of ependymal cells which change shape as age increases.
- Fetus: ciliated simple columnar
- Middle aged: sparsely ciliated simple cuboidal
- Geriatrics: simple squamous
Toggle ItemChoroid 20XA: Blood vessels are separated from the brain by the ependymal cells.
B: Ependymal cells produce the cerebrospinal fluid which circulates through the central nervous system and can act as a shock absorber.
Toggle ItemChoroid 40XA: Ependymal cells
B: Blood vessel