Fluid in the interstitial space of the pulmonary alveolar sheet.
D001692:Biological Transport; D001794:Blood Pressure; D001810:Blood Volume; D002196:Capillaries / Q000502:physiology*; D008168:Lung / Q000098:blood supply*; D008433:Mathematics; D011650:Pulmonary Alveoli / Q000502:physiology*; D012039:Regional Blood Flow; D014867:Water
D014867:Water