air sac vs alveolus
alveolus vs air sacair sac and alveolus both are nouns.
As nouns,
air sac and alveolus
are synonyms defined as:
- air sac and alveolus: a tiny sac for holding air in the lungs; formed by the terminal dilation of tiny air passageways
Other synonyms of air sac include
air cell.
| air sac (noun) | alveolus (noun) |
|---|---|
| a tiny sac for holding air in the lungs; formed by the terminal dilation of tiny air passageways | a tiny sac for holding air in the lungs; formed by the terminal dilation of tiny air passageways |
| any of the thin-walled extensions of the tracheae of insects | a bony socket in the alveolar ridge that holds a tooth |
| any of the membranous air-filled extensions of the lungs of birds |
Words related to "alveolus"
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