A compound attribute that is the ratio of amount of fatty acid-binding protein 5 (human) in blood to amount of thymosin beta-10 (human) in blood. The trait is FABP5/TMSB10 protein level ratio in blood (OBA_2055437). Also known as: the ratio of amount of fatty acid-binding protein 5 (human) in blood to amount of thymosin beta-10 (human) in blood.