All are true about bronchopulmonary segment except –
Correct Answer: Have independent single vein
Description: Each branchopulmonary segment is drained by intersegment pas of pulmonary vein that lie in intersegmental space and drain adjacent segments.Thus each segment does not have its independent segmetal vein and each segment drains into more than one vein. Each vein drains more than one segment.Features of bronchopulmonary segmentsCharacteristic features of each bronchopulmonary segment are :?1) Is a pyramidal shaped segment of lung, with its apex facing the lung root and its base at the pleural surface.2) Is the largest subdivision of a lobe.3) Is an independent respiratory unit.4) Is separated from adjacent segments by connective tissue septa which form intersegemental planes.5) Is surrounded by connective tissue which is continuous on the surface with pulmonary pleura.6) Is supplied independently by a segmental (teiary) bronchus and a teiary branch of the pulmonary aery.7) Is named according to the segmental bronchus supplying it.8) Is drained by intersegmental pas of the pulmonary veins that lie in intersegmental space and drain adjacent segments. Thus each segment has more than one vein and each vein drains more than one segment.9) Is not a bronchovascular segment, because it does not have its own vein.10) Is surgically resectable : During removal, the surgeon works along the pulmonary vein to isolate a paicular segment.
Category:
Anatomy
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