Pattern of filling in the pulmonary capillary bed

Autor: R O Clarke, G. P. Kingaby, J W Evans, David A. Warrell, John B. West
Rok vydání: 1972
Předmět:
Zdroj: Journal of applied physiology. 32(3)
ISSN: 0021-8987
Popis: Artificially ventilated and perfused dog lungs were rapidly frozen under various physiological conditions. In 2-micron-thick sections the number of red blood cells (RBCs) per 10-micron length of alveolar septum was counted. Under conditions in which alveolar pressure exceeded venous pressure, variation in RBC concentration within areas supplied by single arterioles accounted completely for variation between areas supplied by different arterioles. Except at very high perfusion pressures when venous pressure exceeded alveolar pressure, there was no significant correlation between RBC concentrations of pairs of adjacent septa.
Databáze: OpenAIRE