air sac

listen to the pronunciation of air sac
English - Turkish
tenek kesesi
English - English
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
any of the membranous air-filled extensions of the lungs of birds any of the thin-walled extensions of the tracheae of insects
One of the spaces in different parts of the bodies of birds, which are filled with air and connected with the air passages of the lungs; an air cell
air sac
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