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Cerebrospinal fluid (CSF) is a clear, watery fluid produced from blood through the ventricular choroid plexus, which consists of specialized ependymal cells. It serves several crucial roles, including protecting the brain as a shock absorber and providing support, allowing the brain to float within the skull. Additionally, CSF helps distribute essential ions and minerals throughout the central nervous system, complementing blood flow and maintaining a stable environment for neuronal function.
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Cerebrospinal Fluid (CSF) Watery fluid derived from blood via a ventricular choroid plexus(w/ependymal cells) CSF: • Protects – shock absorber • Supports and reduces weight (brain “floats” in skull) • Distributes ions and minerals (in addition to blood flow)