The pulmonary interstitial compartment and the mediator of hypoxic pulmonary vasoconstriction.
D000818:Animals; D002415:Cats; D004285:Dogs; D005110:Extracellular Space / Q000502:physiology*; D000860:Hypoxia / Q000503:physiopathology*; D008168:Lung; D008196:Lymph / Q000502:physiology*; D011651:Pulmonary Artery / Q000503:physiopathology*; D014655:Vascular Resistance; D014661:Vasoconstriction