The amount of a fibronectin type III and SPRY domain-containing protein 1 (human) when measured in cerebrospinal fluid. The trait is OBA_2080708 (level of fibronectin type III and SPRY domain-containing protein 1 (human) in cerebrospinal fluid). Also known as: cerebrospinal fluid fibronectin type III and SPRY domain-containing protein 1 (human) amount.