Phospholipidgranula im verhornenden Oesophagusepithel

I. Oláh, P. Röhlich

Research output: Contribution to journalArticle

25 Citations (Scopus)

Abstract

Lamellated granules of 0,1 to 0,3 μ in diameter are consistently found in all strata of the keratinizing epithelium of the guinea pig oesophagus. The granules are surrounded by a single membrane (unit membrane) and contain a lamellated system consisting of dark and light bands showing a periodicity of 60 to 70 Å. The supposed phospholipid nature of the granules was supported by the positive Baker-reaction at the light microscope level. The distribution of the Baker-positive substance was identical with that of the lamellated granules at the electron micrograph. After extraction with pyridin, the Baker-reaction turned out to be negative while on the electron micrographs the substance of the lamellated granules was lost. The granules first appear near the Golgi region of the stratum germinativum and are emptied into the extra-cellular space at the level of the stratum granulosum. The substance of the granules, after having lost their lamellated structure, remains between the keratinized layers as a homogenous, dense material. Its function probably consists in increasing the resistance of the cornified layer against chemical agents.

Original languageGerman
Pages (from-to)205-219
Number of pages15
JournalZeitschrift für Zellforschung und Mikroskopische Anatomie
Volume73
Issue number2
DOIs
Publication statusPublished - Jun 1966

ASJC Scopus subject areas

  • Anatomy
  • Clinical Biochemistry
  • Cell Biology
  • Medicine(all)

Cite this

Phospholipidgranula im verhornenden Oesophagusepithel. / Oláh, I.; Röhlich, P.

In: Zeitschrift für Zellforschung und Mikroskopische Anatomie, Vol. 73, No. 2, 06.1966, p. 205-219.

Research output: Contribution to journalArticle

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