bronchial tube n 1: either of the two main branches of the trachea [syn: {bronchus}, {bronchial tube}]
Bronchial \Bron"chi*al\, a. [Cf. F. bronchial. See {Bronchia}.] (Anat.) Belonging to the bronchi and their ramifications in the lungs. [1913 Webster] {Bronchial arteries}, branches of the descending aorta, accompanying the bronchia in all their ramifications. {Bronchial cells}, the air cells terminating the bronchia. {Bronchial glands}, glands whose functions are unknown, seated along the bronchia. {Bronchial membrane}, the mucous membrane lining the bronchia. {Bronchial tube}, the bronchi, or the bronchia. [1913 Webster]