The amount of a neuropilin and tolloid-like protein 1 (human) when measured in cerebrospinal fluid. The trait is level of neuropilin and tolloid-like protein 1 (human) in cerebrospinal fluid (OBA_2080009, an Ontology of Biological Attributes identifier). Also known as: cerebrospinal fluid neuropilin and tolloid-like protein 1 (human) amount.