OBA_2055750 (SEMA4D/TREML2 protein level ratio in blood) can be described as follows. A compound attribute that is the ratio of amount of semaphorin-4D (human) in blood to amount of trem-like transcript 2 protein (human) in blood. Also known as: the ratio of amount of semaphorin-4D (human) in blood to amount of trem-like transcript 2 protein (human) in blood.