FMA definition : Tributary of superior systemic venous tree, each instance of which is a vein that
drains some right posterior intercostal veins and connects some superior and inferior
vena cavae; it arises from the union of some right ascending lumbar and subcostal
veins and empties into some superior vena cava.;
Tributary of superior systemic venous tree, each instance of which is a vein that
drains some right posterior intercostal veins and connects some superior and inferior
vena cavae; it arises from the union of some right ascending lumbar and subcostal
veins and empties into some superior vena cava.