noun🔗ShareBronchiolenAny of the small cartilage-less branches of a bronchus."The doctor explained that the patient's breathing difficulties were caused by inflammation in the bronchioles. "Der Arzt erklärte, dass die Atembeschwerden des Patienten durch eine Entzündung in den Bronchiolen verursacht wurden.anatomyorganbodymedicinephysiologyChat with AIVocabulary GamePractice Reading