air-cell
(தாவ.) உயிரணுக்களின் இடையிலுள்ள காற்று இடைவௌத.
Air" cell`. 1. (Bot.) Defn: A cavity in the cellular tissue of plants, containing air only. 2. (Anat.) Defn: A receptacle of air in various parts of the system; as, a cell or minute cavity in the walls of the air tubes of the lungs; the air sac of birds; a dilatation of the air vessels in insects.