Verhandlungen pp 1252-1257 | Cite as

The ultrastructure of rat lung in the pre- and postnatal period. Some remarks on the fine structure of the foetal alveolar epithelium

  • Janusz Groniowski
  • Wiktor Djaczenko


Ultra-structural differences are to be expected between the cells of foetal lung epithelium and those of postnatal lung epithelium. Some definite idea upon the ultra-structure of lungs already engaged in respiration including alveolar epithelium, is given in a number of publications dealing with healthy lungs in normal animals and man (2, 5, 7, 8,9, 10, 15, 18). There are also some publications describing the ultrastructure of lung tissue in certain pathological states (11, 17, 18). The foetal lungs have been, as yet, the object of very few electron microscope examinations. In the literature obtainable, van Breemen, Neustein and Bruns (3) examined the lung tissue from premature human infants and young guinea-pigs compelled to breathe oxygen in conditions of high humidity, with the object of studying the formation of hyaline membranes. The publications of Schulz (19, 20) deal with the pathology of mitochondria of alveolar epithelial cells in rats. This author examines here the structural differences of mitochondria to be found in foetuses and after birth.


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Copyright information

© Springer-Verlag Berlin Heidelberg 1960

Authors and Affiliations

  • Janusz Groniowski
    • 1
  • Wiktor Djaczenko
    • 1
  1. 1.Department of Pathological AnatomyAcademy of MedicinePoznańPoland

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