Urdu Meanings, Pronounciation and Synonyms:
air sac
(Pronunciation -تلفظ سنیۓ )
US: 
Slow
Normal
Noun: air sac
| 1. air sac [ Synonyms: air cell, alveolus] | |
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A tiny sac for holding air in the lungs; formed by the terminal dilation of tiny air passageways
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چھوٹا سا جوف جو شہَد کے چھَتے ميں ہوتا ہے ۔۔ |
| 2. air sac | |
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Any of the thin-walled extensions of the tracheae of insects
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| 3. air sac | |
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Any of the membranous air-filled extensions of the lungs of birds
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