level of Rho guanine nucleotide exchange factor 25 (human) in cerebrospinal fluid (OBA_2059596, an Ontology of Biological Attributes entry) is the amount of a Rho guanine nucleotide exchange factor 25 (human) when measured in cerebrospinal fluid. Also known as: cerebrospinal fluid Rho guanine nucleotide exchange factor 25 (human) amount.