They're not. Bronchial "tubes" are part of the lungs.
bronchiectasis
A bronchial tube infection is commonly referred to as bronchitis. It can be acute or chronic and is often characterized by inflammation of the bronchial tubes leading to symptoms such as coughing, chest discomfort, and difficulty breathing.
The medical term for the abnormal widening of a bronchial tube is bronchiectasis. This condition is characterized by inflammation and damage to the airways, leading to a widening and loss of elasticity in the bronchial tubes, which can result in recurrent infections and breathing difficulties.
That would be your Trachea
mediastinum
Bronchial tubes help to carry the air to and from the lungs. When the air comes through the nose and mouth, it goes straight to the bronchial tubes.
A procedure that involves repeatedly washing the inside of the bronchial tubes of the lung
you bronchial tube is you hormone
The 'Bronchus' or 'Bronchial Tube'.
"bronchiectasis" - chronic dilation of a bronchus
Another word for bronchi is bronchial tube.