The amount of a aldo-keto reductase family 1 member D1 (human) when measured in cerebrospinal fluid. The trait is Ontology of Biological Attributes id OBA_2058062 (level of aldo-keto reductase family 1 member D1 (human) in cerebrospinal fluid). Also known as: cerebrospinal fluid aldo-keto reductase family 1 member D1 (human) amount.