The amount of a phosphatidylinositol-3-phosphate phosphatase MTMR7 (human) when measured in cerebrospinal fluid. The trait is OBA_2081714 (level of phosphatidylinositol-3-phosphate phosphatase MTMR7 (human) in cerebrospinal fluid). Also known as: cerebrospinal fluid phosphatidylinositol-3-phosphate phosphatase MTMR7 (human) amount.