A compound attribute that is the ratio of amount of tenascin (human) in blood to amount of vascular cell adhesion protein 1 (human) in blood. The trait is Ontology of Biological Attributes entry OBA_2053056 (TNC/VCAM1 protein level ratio in blood). Also known as: the ratio of amount of tenascin (human) in blood to amount of vascular cell adhesion protein 1 (human) in blood.