The amount of a Rho GTPase-activating protein 25 (human) when measured in cerebrospinal fluid. The trait is level of Rho GTPase-activating protein 25 (human) in cerebrospinal fluid (Ontology of Biological Attributes id OBA_2057820). Also known as: cerebrospinal fluid Rho GTPase-activating protein 25 (human) amount.