The amount of a vesicle transport through interaction with t-SNAREs homolog 1B (human) when measured in cerebrospinal fluid. The trait is level of vesicle transport through interaction with t-SNAREs homolog 1B (human) in cerebrospinal fluid (OBA_2081479). Also known as: cerebrospinal fluid vesicle transport through interaction with t-SNAREs homolog 1B (human) amount.