Ontology of Biological Attributes entry OBA_2059363 (level of cell surface glycoprotein CD200 receptor 2 (human) in cerebrospinal fluid) is the amount of a cell surface glycoprotein CD200 receptor 2 (human) when measured in cerebrospinal fluid. Also known as: cerebrospinal fluid cell surface glycoprotein CD200 receptor 2 (human) amount.