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Zur ultrastruktur und sauren phosphatase-aktivität in den schweißdrüsen mit “clear, reticulated cytoplasm”

The ultrastructure and acid phosphatase activity in the sweat glands with “clear, reticulated cytoplasm”

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Summary

Investigations were carried out on the ultrastructure and distribution of acid phosphatase in the human sweat glands with “clear, reticulated cytoplasm”. It is probable that the gland cells with vacuolized cytoplasm develop from the serous gland cells through a morphologically recognizable intermediate state.

An extralysosomal activity of acid phosphatase occurs in the vacuolized gland cells. The free distribution of the enzyme activity is focal. A correlation between these findings and a possible holocrine mode of secretion is discussed.

Zusammenfassung

Die Ultrastruktur und die Verteilung der sauren Phosphatase wurden in den menschlichen Schweißdrüsen mit “clear, reticulated cytoplasm” untersucht. Die Drüsenzellen mit vakuolisiertem Cytoplasma entwickeln sich wahrscheinlich über eine morphologisch faßbare Zwischenstufe aus den serösen Drüsenzellen.

Die saure Phosphatase-Aktivitäten kommen in den vakuolisierten Zellen auch extralysosomal vor, wobei die Verteilung der Enzymaktivität anzeigenden Präzipitate fokal erfolgt. Diese Befunde wurden im Zusammenhang mit einem möglichen holokrinen Sekretionsmodus diskutiert.

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Mit freundlicher Unterstützung durch die Deutsche Forschungsgemeinschaft

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Rupec, M. Zur ultrastruktur und sauren phosphatase-aktivität in den schweißdrüsen mit “clear, reticulated cytoplasm”. Arch. Derm. Res. 258, 193–201 (1977). https://doi.org/10.1007/BF00561625

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  • DOI: https://doi.org/10.1007/BF00561625

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