FMA definition : Venous tree (organ) connected to the left atrium. Examples: There are four pulmonary
venous trees; right superior pulmonary vein, right inferior pulmonary vein, left superior
pulmonary vein and left inferior pulmonary vein.;
Venous tree (organ) connected to the left atrium. Examples: There are four pulmonary
venous trees; right superior pulmonary vein, right inferior pulmonary vein, left superior
pulmonary vein and left inferior pulmonary vein.