Description

The two main bronchi (right an left) give 5 lobar bronchi (for the 5 pulmonary lobes) that thent divide into 20 segmental bronchi (for the 20 segments of the lung):

  • Right superior lobar bronchus
    • Apical segmental bronchus[B I]
    • Posterior segmental bronchus [B II]
    • Anterior segmental bronchus [B III]
  • Middle lobar bronchus
    • Lateral segmental bronchus [B IV]
    • Medial segmental bronchus[B V]
  • Right inferior lobar bronchus
    • Intermediate bronchus (term not include in Terminologia Anatomica but widely used)
    • Superior segmental bronchus [B VI]
    • Medial basal segmental bronchus B VII
    • Anterior basal segmental bronchus [B VIII]
    • Lateral basal segmental bronchus [B IX]
    • Posterior basal segmental bronchus [B X]
  • Left superior lobar bronchus
    • Apicoposterior segmental bronchus  [B I + II]
    • Anterior segmental bronchus [B III]
    • Superior lingular bronchus [B IV]
    • Inferior lingular bronchus [B V]
  • Left inferior lobar bronchus
    • Superior segmental bronchus [B VI]
    • Medial basal segmental bronchus [B VIII]
    • Anterior basal segmental bronchus [B VIII]
    • Lateral basal segmental bronchus [B IX]
    • Posterior basal segmental bronchus [B X]

Images

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