Glossary of terms used on this site
There are 324 entries in this glossary.All
| Term | Definition |
|---|---|
| Chronic obstructive pulmonary disease |
COPD. Any disorder that persistently obstructs bronchial airflow. COPD mainly involves two related diseases -- chronic bronchitis and emphysema. Both cause chronic obstruction of air flowing through the airways and in and out of the lungs. The obstruction is generally permanent and progresses (becomes worse) over time. |