资料来源 : pyDict

小支气管; 细支气管

资料来源 : Webster's Revised Unabridged Dictionary (1913)

Bronchiole \Bron"chi*ole\, n. (Anat.)
   A minute bronchial tube.

资料来源 : WordNet®

bronchiole
     n : any of the smallest bronchial ducts; ending in alveoli