Source:http://linkedlifedata.com/resource/umls/id/C0923573
FMA: Systemic venous tree (organ), the trunk of which is the coronary sinus or the small cardiac vein. Examples: main cardiac venous tree, right marginal venous tree..,UWDA: Systemic venous tree (organ), the trunk of which is the coronary sinus or the small cardiac vein. Examples: main cardiac venous tree, right marginal venous tree..