noun🔗Share세기관지Any 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. "의사는 환자의 호흡 곤란이 세기관지의 염증으로 인해 발생했다고 설명했다.anatomyorganbodymedicinephysiologyChat with AIVocabulary GamePractice Reading