doi: 10.1016/0040-8166(78)90027-7.
Fine structure of tight junctions between rat choroidal cells after osmotic opening induced by urea and sucrose
- PMID: 675669
- DOI: 10.1016/0040-8166(78)90027-7
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Fine structure of tight junctions between rat choroidal cells after osmotic opening induced by urea and sucrose
Tissue Cell.
1978.
Abstract
After ventriculo-cisternal perfusion of hypertonic urea or sucrose, both the choroid plexus permeability to horseradish peroxidase and the structure of tight junctions between choroidal cells are modified. Intercellular spaces are swollen, continuous ridges are fragmented and intrajunctional spaces are invested by many membranous particles. These morphological alterations appear to be reversible. These ultrastructural data are related to an osmotic maladjustment induced by the introduction of hypertonic solutions into the cerebro-spinal fluid.
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