Segmental bronchus

Bronchus segmentalis

Synonym: Tertiary bronchus
Related terms: Segmental bronchi

Antoine Micheau

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

Right superior lobar bronchus
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
Left inferior lobar bronchus

Segmental bronchus

Bronchus segmentalis

Definition

Gallery