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Keywords:

  • Amphibia;
  • Rana esculenta;
  • lung;
  • ANP;
  • cytochemistry;
  • immunocytochemistry

Abstract

The atrial natriuretic peptide (ANP)-system was examined in Rana esculenta lung with cytochemical and immunocytochemical methods. The results showed a cellular type that synthesizes the hormone and the presence of receptors in various components of the lung. The lung, therefore, produces ANP and at the same time is a target organ for the hormone. ANP may play an important physiological role in pulmonary function and in protecting against pulmonary edema. J. Morphol. 260:184–192, 2004. © 2004 Wiley-Liss, Inc.