The Collaborative International Dictionary
Bronchial tube
Bronchial \Bron"chi*al\, a. [Cf. F. bronchial. See Bronchia.] (Anat.) Belonging to the bronchi and their ramifications in the lungs.
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.
Wiktionary
bronchial tube
n. A bronchus
WordNet
bronchial tube
n. either of the two main branches of the trachea [syn: bronchus]