Hyperoxia: A Stereologic Ultrastructural Examination of Its Influence on Cytoplasmic Components of the Pulmonary Granular Pneumocyte

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Abstract

We used the technique of lineal analysis to study the influence of 48 h of hyperoxia on cytoplasmic organelles of pulmonary granular pneumocytes with particular reference to their lamellar bodies. We undertook this study because lamellar bodies are considered to be storage granules for pulmonary surfactant and because we had found that hyperoxia decreased [14C]leucine incorporation into protein of a surface-active lung fraction.

Authors

Gloria D. Massaro, Donald Massaro