FMA definition : Superior segmental vein, each instance of which is a tributary of some left inferior
pulmonary vein that drains the superior segment of the inferior lobe of some left
lung.;
Synonyme FMA : Superior vein of lower lobe of left lung; Superior bronchopulmonary segment of left inferior pulmonary vein; Superior basal vein of lower lobe of left lung; Left V6; Superior branch of left inferior pulmonary vein;
Superior segmental vein, each instance of which is a tributary of some left inferior
pulmonary vein that drains the superior segment of the inferior lobe of some left
lung.