Summary
After a general view of the constituents of the juxtaglomerular apparatus of the kidney, the authors are presently publishing on this subject some of their preliminary findings which have been obtained with the aid of the electron microscope:
The cells of the macula densa are distinguished from the other cells of the distal convoluted tubule by a lesser development of the infolded basal plasma membranes as well as that of the chondriome which is generally found in a circumand supranuclear position.
The cells of Goormaghtigh are in a close topographical relationship with the macula densa, although separated from it by a basement membrane; they are integrated in a complex system of basement membranes.
The epithelioid cells of the afferent arteriole contain, in addition to ribosomes and ergastoplasmic structures, vesicles of which the size and the contrast of the content are different.
paraportal cells of Becher have not as yet been positively identified with the electron microscope.
The intertubular space is poor in cells; the various “interstitial cells”, often rich in ergastoplasm, are yet to be studied in detail.
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Mit Unterstützung durch die Fritz Hoffmann-La Roche-Stiftung zur Förderung wissenschaftlicher Arbeitsgemeinschaften in der Schweiz.
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Bucher, O., Reale, E. Zur elektronenmikroskopischen Untersuchung der juxtaglomerulären Spezialeinrichtungen der Niere. Zeitschrift für Zellforschung 54, 167–181 (1961). https://doi.org/10.1007/BF00338701
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DOI: https://doi.org/10.1007/BF00338701