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Localization of the atrial natriuretic factor in the human inferior turbinates. An immunohistochemical study

  • Autori: Valentino, B.; Lipari, D.; Restivo, S.; Speciale, R.; Gallina, S.; Farina, E.
  • Anno di pubblicazione: 2003
  • Tipologia: Articolo in rivista (Articolo in rivista)
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In man, the architecture of the turbinates is able to modify some of the physiochemical characteristics of the air inhaled. These modifications depend on the nervous system and on the action of neurotransmitters such as vasoactive intestinal peptide. Substance P, calcitonin gene-related peptide and other neuropeptides. As atrial natriuretic factor has been detected in the trachea and lung, the present immunohistochemical study was carried out to establish the presence and localisation of the atrial natriuretic factor on the inferior turbinates of the human being. The findings show atrial natriuretic factor to be present in the serous epithelial cells and in some cells of the tonaca propria near the sinusoids and the arteriovenous shunts and the acinar cells of the glands. Atrial natriuretic factor, therefore, could play a part in the stratification of mucus on the luminal surface and also regulate the blood flow of the capillaries, modifying, in this way, the physiochemical features of the air inhaled.