| Webster's Online Dictionary |
| Expressions | Domain | Definition | |
| Blood-Air Barrier | Health | The barrier between capillary blood and alveolar air comprising the alveolar epithelium and capillary endothelium with their adherent basement membranes and epithelial cell cytoplasm. Gaseous exchange occurs across this membrane. (references) | |
Source: compiled by the editor from various references; see credits. | Top | ||