All of the following are characteristic of a bronchopulmonary segment, except-
Each bronchopulmonary segments are drained by intersegmental veins.
Each bronchopulmoray segment is drained by more than one vein and each vein drains more than one segment.
It is surgically resectable
It is named according to the segmental bronchus supplying it
It is drained by independent intersegmental branch of pulmonary vein
It is the largest subdivision of a lobe