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Bronchopulmonary segment
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Bronchopulmonary segments visible but not labeled.
Bronchopulmonary segments.png

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 in the right lung (3 in superior lobe, 2 in middle lobe, 5 in inferior lobe) and 8-10 segments on the left (4-5 in upper lobe, 4-5 in lower lobe). Each segment 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 means that a bronchopulmonary segment can be surgically removed without affecting the function of the other segments.

Bronchopulmonary segments of right lung

A PALM Seed Makes Another Little Palm

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

Bronchopulmonary segments of left lung

ASIA ALPS

Apoptotic Antlions Stop In, Suddenly Amalgamating Laboratory Posts

AP And Supine alignment Increases Limited Studies And Makes Baseline Pulmonary Bases Look Bad (a radiology mnemonic)

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

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