superior lingular bronchopulmonary segment S IV

superior lingular bronchopulmonary segment S IV

[TA] of the four bronchopulmonary segments that typically comprise the superior lobe of the left lung, the segment that lies centrally and posteriorly, supplied by the superior lingular bronchus [B IV] and superior lingular segmental (pulmonary) artery; corresponds approximately in position to the lateral [S IV] segment of the middle lobe of the right lung. Synonym(s): segmentum bronchopulmonale lingulare superius [S IV] [TA]