Mesothelium of Reissner's membrane in guinea pigs: an electron microscopic study

The mesothelial cells of Reissner's membrane in guinea pigs were found to be connected by junctional complexes. No cell discontinuities or gaps were observed by scanning or transmission electron microscopy. These results are not in accordance with previous studies. They were achieved by in vivo...

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Bibliographic Details
Published in:European archives of oto-rhino-laryngology 1990, Vol.248 (1), p.57-62
Main Authors: Qvortrup, K, Rostgaard, J
Format: Article
Language:English
Subjects:
Animals
Basement Membrane - ultrastructure
Cell Membrane - ultrastructure
Cell Nucleus - ultrastructure
Cochlear Duct - cytology
Cochlear Duct - ultrastructure
Guinea Pigs
Histological Techniques
Mesoderm - cytology
Mesoderm - ultrastructure
Microscopy, Electron
Microscopy, Electron, Scanning
Specimen Handling
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Summary:The mesothelial cells of Reissner's membrane in guinea pigs were found to be connected by junctional complexes. No cell discontinuities or gaps were observed by scanning or transmission electron microscopy. These results are not in accordance with previous studies. They were achieved by in vivo vascular perfusion fixation, handling of cochleae in protective specimen carriers, thiocarbohydrazide treatment and continuous dehydration. Findings in the present study indicate that the interepithelial space between the epithelial and mesothelial cell layers constitutes a specific compartment which must be considered when examining solute transport over Reissner's membrane.
ISSN:0937-4477
1434-4726
DOI:10.1007/BF00634783