Zusammenfassung
Die Tripsin-HCl Methode von Uehara wurde an der respiratorischen Nasenschleimhaut der Ratte und des Meerschweinchens angewendet und das oberflächliche Aussehen der Drüsen, der Gefäße und der begleitenden Nervenfasern wurde rasterelektronenmikroskopisch betrachtet. Der terminale Abschnitt der Drüsen besteht aus Drüsen- und Myoepithelialzellen. Die letzteren sind sternförmig und bedecken mit dünnen zytoplasmatischen Fortsätzen den terminalen Drüsenabschnitt. Die Arteriolen und Venolen lassen sich auf Grund des charakteristischen Aussehens der Zellen der glatten Muskulatur und des Innervationsmusters leicht unterscheiden. Die Arteriolen sind gelegentlich mit Arteriolen besonderer Struktur verbunden. Dies scheint eine wichtige Rolle bei der Regulation der peripheren Blutversorgung zu spielen.
Summary
The trypsin-HCl method of Uehara was applied to the respiratory nasal mucosa of rats and guinea pigs, and the stereoscopic surface view of the nasal glands, vessels, and associated nerve fibers were observed under the scanning electron microscope (SEM).
The terminal portion of the glands was composed of glandular cells and myoepithelial cells, the latter were starfishlike features and extended thin cytoplasmic processes which covered the small area of the terminal portion. The arterioles and venules could be clearly distinguished by their adventitial aspects and innervation pattern. Arterioles were occasionally connected to small arterioles with a characteristic structure, which seemed to play a role in the regulation of peripheral blood supply.
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Nagai, M., Nagai, T. & Morimitsu, T. Scanning electron microscopy of the nasal glands and vessels. Arch Otorhinolaryngol 237, 67–75 (1982). https://doi.org/10.1007/BF00453719
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DOI: https://doi.org/10.1007/BF00453719