alveolus
noun
Pronunciation: /ælˈviːələs/
Definition
A tiny air sac in the lungs where the exchange of oxygen and carbon dioxide takes place.
Examples
The alveolus is the primary site of gas exchange within the respiratory system.
Damage to the wall of an alveolus can significantly reduce the efficiency of oxygen absorption.
Each alveolus is surrounded by a dense network of capillaries to facilitate rapid diffusion.
Synonyms of alveolus
Words with a similar meaning to alveolus:
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