Information About

Bronchiole
  CATEGORIES ABOUT BRONCHIOLE
   
respiratory system
   
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The bronchioles are the first Airway branches that no longer contain Cartilage . They are branches of the Bronchi , and are smaller than one Millimetre in diameter.

There are no Gland s or cartilage in any of the bronchioles, and the Epithelial Cell s become more Cuboidal in shape.

Bronchioles divide until they become ''terminal bronchioles''. After these the ''respiratory bronchioles'' have sporadic Alveoli on their walls. Eventually the respiratory tract branches into Alveolar Duct s, then Alveolar Sac s.

Bronchospasm , a life-threatening situation, occurs when the smooth muscular tissue of the bronchioles constricts, severely narrowing their diameter. Bronchospasm is commonly treated by Oxygen Therapy and Bronchodilator s.

The medical condition of inflammation of the bronchioles is termed Bronchiolitis . Diseases of the bronchioles include Asthma , Bronchiolitis Obliterans , Respiratory Syncytial Virus infection, and Influenza .