welcome to disease section for asthma 

Bronchus Lumen
Bronchus Lumen

ASTHMA: The image shows a normal lumen of the bronchus and an inflamed lumen containing mucus, in case of bronchial asthma.

Asthma: Healthy and unhealthy bronchial tube
Asthma: Healthy and unhealthy bronchial tube

The image shows asthma diagram as a healthy and unhealthy bronchial tube with a constricted breathing problem caused by respiratory muscle tightening with 3D illustration elements.