alveolus
/ælˈviːələs/
noun
- One of the many tiny air sacs in the lungs where oxygen and carbon dioxide are exchanged.
- Oxygen passes from the alveolus into the bloodstream.
- Smoking can damage the walls of the alveoli in your lungs.
- Each alveolus is surrounded by tiny blood vessels.
- A small cavity or pit in a body, such as the socket for a tooth.
- Each tooth sits firmly in its own alveolus in the jawbone.
- The dentist examined the alveolus where the tooth had been pulled.
- Inflammation of the alveolus can cause pain after an extraction.
Synonyms