[Relation between lymph flow and pressure in the interstitium and the degree of hydration of the lungs]

In 25 isolated canine lungs perfused through the pulmonary or bronchial vessels, lung lymph flow and interstitial pressure of the alveolar and peribronchium interstitium were studied. Lung lymph flow in both kinds of perfusion is the function of interstitial pressure which supports the convectional theory of lymph genesis in the lung. The data obtained reveal considerable distinctions between alveolar and peribronchial interstitial spaces fluid pressure-volume characteristics which determine qualitative features of lymph transport.