Bronchopulmonary segment

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Bronchopulmonary segment
Bronchopulmonary segments visible but not labeled.

Each of the tertiary bronchi serves a specific bronchopulmonary segment. These segments each have their own artery. Thus, each bronchopulmonary segment is supplied by a bronchus, and an artery.

There are 10 bronchopulmonary segments on Right Lobe lung (3 in right superior lobe, 2 in middle right lobe, 5 in right inferior lobe) and 9 bronchopulmonary segments on Left Lobe( 4 in left superior lobe, 5 in left inferior lobe). Each of which is separated from the others by a layer of connective tissue.

This means that each bronchopulmonary segment is a discrete anatomical and functional unit, and this separation mean that a bronchopulmonary segment can be surgically removed without affecting the function of the other segments.

[edit] Bronchopulmonary segments of right lung

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  • superior lobe
    • apical
    • posterior
    • anterior
  • middle lobe
    • lateral (superior lingular)
    • medial (inferior lingular)
  • inferior lobe
    • superior
    • medial-basal
    • anterior-basal
    • lateral-basal
    • posterior-basal

[edit] Bronchopulmonary segments of left lung

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  • superior lobe
    • apico-posterior (merger of "apical" and "posterior")
    • anterior
  • lingula of superior lobe
    • inferior lingular
    • superior lingular
  • inferior lobe
    • superior
    • medial basal (merger of "anterior basal" and "medial basal")
    • posterior basal
    • anterior basal
    • lateral basal

[edit] External links