Summary
The Descemet's membrane can be regarded as a thickened basal membrane (basement membrane) of particular construction. Among the protein fibrils situated meridionally, there are transversally oriented lipoid elements in two layers. Authors have found several types of protein fibrils on the basis of the differences in argentophyl affinity — in agreement with findings of electronic microscopic examinations. The lipoid elements penetrate into the trabeculae and take part in the construction of the external layers of the trabecular bundles. The Descemet's membrane has an important role in corneal metabolism.
Zusammenfassung
Die Descemetsche Membran ist als eine verdickte und speziell aufgebaute Basalmembran zu betrachten. Zwischen den meridional angeordneten Eiweißfibrillen stellen sich querorientierte Lipoidelemente in 2 Schichten dar. Aufgrund der verschiedenen Silberaffinität — den elektronenmikroskopischen Untersuchungen entsprechend — fanden sich zwischen den Eiweißfibrillen Unterschiede. Die Lipoidstrukturen der Membran sind bis in das Trabekelsystem zu verfolgen und nehmen an der Bildung der äußeren Schichten des Trabekulums teil. Die Descemetsche Membran spielt im Stoffwechsel der Hornhaut eine wichtige Rolle.
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Fehér, J., Valu, L. Über die Struktur der Descemetschen Membran. Albrecht von Graefes Arch. Klin. Ophthalmol. 179, 65–73 (1969). https://doi.org/10.1007/BF00410489
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DOI: https://doi.org/10.1007/BF00410489