Lungs and bronchioles depicting asthma stages of inflammation and mucus.

3D • ABNORMAL • AIR FLOW • AIRFLOW • ANATOMY • ARTWORK • ASTHMA • BACTERIA • BIOLOGY • BIOMEDICAL ILLUSTRATIONS • BREATH • BREATHING • BRONCHIAL TREE • BRONCHIAL TUBES • BRONCHIOLE • BRONCHITIS • BRONCHUS • CHRONIC ILLNESS • CLOGGED • COLOR IMAGE • COLOUR IMAGE • CROSS SECTION • CUTOUT • DIGITALLY GENERATED IMAGE • DISEASE • FRONT VIEW • GROSS ANATOMY • HEALTHCARE • HUMAN ANATOMY • HUMAN BODY PARTS • HUMAN LUNGS • HUMAN ORGANS • ILLUSTRATION • ILLUSTRATIONS • INFECTION • INFLAMMATION • INTERNAL ORGANS • LOBE • LOBULE • LUNG • MEDICAL • MEDICINAL • MEDICINE • MUCOUS • NO PEOPLE • OBSTRUCTION • ORGAN • PATHOLOGY • RESPIRATORY SYSTEM • RESPIRATORY TRACT • SCIENCE • SECRETION • SIDE ELEVATION • SQUARE IMAGE • SWELLING • SWOLLEN • THREE DIMENSIONAL • TRACHEA • TRACHEAL RINGS • UNHEALTHY • WHITE BACKGROUND • WINDPIPE • WITHOUT PEOPLE