Transition of respiratory bronchiole to alveolar duct
A respiratory bronchiole is formed from a terminal bronchiole by the addition of alveoli and by a decrease in its diameter and in the thickness of its wall. The accumulation of additional alveoli to a respiratory bronchiole reduces the wall area of this bronchiole and forms an alveolar duct. 100x
Terminal bronchiole
A respiratory bronchiole is formed from a terminal bronchiole by the addition of alveoli and by a decrease in its diameter and in the thickness of its wall. The accumulation of additional alveoli to a respiratory bronchiole reduces the wall area of this bronchiole and forms an alveolar duct. 100x
Respiratory bronchiole
A respiratory bronchiole is formed from a terminal bronchiole by the addition of alveoli and by a decrease in its diameter and in the thickness of its wall. The accumulation of additional alveoli to a respiratory bronchiole reduces the wall area of this bronchiole and forms an alveolar duct. 100x
Associated alveoli
A respiratory bronchiole is formed from a terminal bronchiole by the addition of alveoli and by a decrease in its diameter and in the thickness of its wall. The accumulation of additional alveoli to a respiratory bronchiole reduces the wall area of this bronchiole and forms an alveolar duct. 100x
Alveolar duct
A respiratory bronchiole is formed from a terminal bronchiole by the addition of alveoli and by a decrease in its diameter and in the thickness of its wall. The accumulation of additional alveoli to a respiratory bronchiole reduces the wall area of this bronchiole and forms an alveolar duct. 100x
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