Circulation of cerebrospinal fluid(CSF) Cerebrospinal fluid is a clear colorless fluid which acts as a transport medium for nutrients and vaster products and provides a protective fluid cushion for the central nervous system Production: produced by the choroids plexuses within the lateral. third and fourth ventriclesCirculation of cerebrospinal fluid (CSF) ◼ Cerebrospinal fluid is a clear colorless fluid, which acts as a transport medium for nutrients and vaster products and provides a protective fluid cushion for the central nervous system. ◼ Production: produced by the choroids plexuses within the lateral, third and fourth ventricles