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Choroid Plexus - Where cerebrospinal fluid is formed
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Slide 40: The choroid plexus is found in the lateral, 3rd and 4th ventricles. Thin roofs formed by ependymal cells are invaded by blood vessels which then protrude into the ventricles. Cerebrospinal fluid (CSF) is secreted here. Review the circulation of CSF in the text from choroid plexus to arachnoid villi. H&E.