air sac vs air cell
air cell vs air sacair sac and air cell both are nouns.
As nouns,
air sac and air cell
are synonyms defined as:
- air sac and air cell: a tiny sac for holding air in the lungs; formed by the terminal dilation of tiny air passageways
Other synonyms of air sac include
alveolus.
| air sac (noun) | air cell (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 | |
| any of the membranous air-filled extensions of the lungs of birds |
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