JAM2/TNFRSF14 protein level ratio in blood (Ontology of Biological Attributes identifier OBA_2055494) can be described as follows. A compound attribute that is the ratio of amount of junctional adhesion molecule B (human) in blood to amount of tumor necrosis factor receptor superfamily member 14 (human) in blood. Also known as: the ratio of amount of junctional adhesion molecule B (human) in blood to amount of tumor necrosis factor receptor superfamily member 14 (human) in blood.