Bronchiole

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Bronchiole
Alveoli diagram.png
Diagram of the alveoli with both cross-section and external view.
Details
System Respiratory system
Identifiers
MeSH D055745
TA A06.5.02.026
TH H3.05.02.0.00005
FMA 7410 76497, 7410
Anatomical terminology

The bronchioles or bronchioli are a part of the lung. They are the first airway branches that no longer have cartilage. They are branches of the bronchi. The bronchioles end by entering the circular sacs called alveoli.