The amount of a 11-beta-hydroxysteroid dehydrogenase 1 (human) when measured in cerebrospinal fluid. The trait is level of 11-beta-hydroxysteroid dehydrogenase 1 (human) in cerebrospinal fluid (OBA_2057563). Also known as: cerebrospinal fluid 11-beta-hydroxysteroid dehydrogenase 1 (human) amount.