RT Book, Section A1 Waxman, Stephen G. SR Print(0) ID 1137638147 T1 Ventricles and Coverings of the Brain T2 Clinical Neuroanatomy, 28e YR 2017 FD 2017 PB McGraw-Hill Education PP New York, NY SN 9780071847704 LK accessmedicine.mhmedical.com/content.aspx?aid=1137638147 RD 2024/04/19 AB Within the brain is a communicating system of cavities that are lined with ependyma and filled with cerebrospinal fluid (CSF): There are two lateral ventricles, the third ventricle (between the halves of the diencephalon), the cerebral aqueduct, and the fourth ventricle within the brain stem (Fig 11–1).