What these tiny sacs in the lungs do and conditions that can affect them Medically reviewed by Susan Russell, MD Alveoli are tiny, balloon-shaped air sacs located at the end of the bronchioles ...

a: Gross anatomy of lung and thorax. b: Microscopic anatomy of bronchial wall. C: View of terminal airway and alveoli. d: Alveolar structure.

The big difference between these two conditions — and you might not be able to feel it — is which part of the respiratory system ... called alveoli, where oxygen passes into your blood.

Constrictive bronchiolitis obliterans is an important respiratory illness because of its underlying irreversible fibrotic process, and is defined as concentric fibrosis in the bronchiolar ...

The bronchi in the lungs split into smaller and smaller tubes called bronchioles. These end in microscopic air sacs called alveoli ... different parts of the respiratory system as shown here.

They relentlessly supply the body with vital energy. The lungs work tirelessly - and usually completely unnoticed ...

The human respiratory ... into smaller tubes called bronchioles. At the end of each bronchiole, there is a group of tiny air sacs. These air sacs have bulges called alveoli to increase their ...