Secondary lobar bronchi

The secondary lobar bronchi or just lobar bronchi are the first subdivision of the main (or primary) bronchi. Like the primary and tertiary bronchi, they are conducting airways that are lined by cartilage rings.

The left main bronchus gives rise to 2 secondary bronchi:

The right main bronchus gives rise to 3 secondary bronchi:

The bronchus intermedius is considered a continuation of the right main bronchus, hence a primary bronchus.

Thoracic anatomy
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Article information

rID: 53565
System: Chest
Section: Anatomy
Synonyms or Alternate Spellings:
  • Lobar bronchi
  • Lobar bronchus
  • secondary bronchi
  • secondary bronchus
  • secondary lobar bronchus

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Cases and figures

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    Figure 1: left sided bronchi
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    Figure 2: right sided bronchi
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