All of the following are characteristic of a bronchopulmonary segment EXCEPT:
The branches of pulmonary veins are intersegmental (not intra) and lie at the margins of bronchopulmonary segments and drain adjacent segments. Each segment drains into more than one vein and each vein drain more than one segment.
It is surgically resectable
It is named according to the segmental bronchus supplying it
It is drained by independent intrasegmental branch of pulmonary vein
It is the largest subdivision of a lobe
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