Left lower lobe bronchus

The left lower lobe bronchus is one of the two division of the left main bronchus, the other being the left upper lobe bronchus

Gross anatomy

The left lower lobe bronchus is very short and divides immediately into the segmental bronchi.  There are usually 10 individual segmental bronchi for each lung, however, the left lung can have segmental bronchi which share a common stem 1.

The left lower lobe segmental bronchi are 1:

  1. Apical
  2. Cardiac (medial basal and anterior basal)
  3. Lateral basal
  4. Posterior basal
Blood Sspply
  • supplied by the inferior left bronchial artery 2
  • venous return from the left lower lobe bonchus drain to the accessory hemiazygos vein 2
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Article Information

rID: 50970
Synonyms or Alternate Spellings:

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