The amount of a BDNF/NT-3 growth factors receptor (human) when measured in cerebrospinal fluid. The trait is level of BDNF/NT-3 growth factors receptor (human) in cerebrospinal fluid (OBA_2058998, an Ontology of Biological Attributes id). Also known as: cerebrospinal fluid BDNF/NT-3 growth factors receptor (human) amount.