Medical Definition of Alveolar
Alveolar: Pertaining to the alveoli, the tiny air sacs in the lungs. The exchange of oxygen and carbon dioxide takes place in the alveoli which look like cells in a honeycomb.
The word comes from the Latin diminutive of "alveus" meaning a cavity or hollow = a little cavity or hollow.
Quick GuideWomen's Health: Nutrition and Health Care Reform
Subscribe to MedicineNet's Women's Health Newsletter