Definitions for "Bronchiole"
A minute bronchial tube.
diminutive of bronchus, hence a small bronchus (bronchi have cartilage in their walls, bronchioles have no cartilage).
one of many subdivisions of bronchi and large bronchioles leading to terminal bronchioles and alveoli in the lung.
One of the smaller subdivisions of the bronchi. C–E
(brong-key-ol) : one of the smaller sub-divisions of the bronchi.