Ultrastructure of the mouse spinal cord ependyma

This study was done in order to investigate the normal ultrastructure of well-preserved mouse spinal canal ependyma using light, scanning and transmission electron microscopy. The ependymal lining was found to consist of a simple, cuboidal epithelium essentially similar to the unspecialized cuboidal...

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Veröffentlicht in:Journal of anatomy 1988-10, Vol.160, p.117-125
Hauptverfasser: BJUGN, R, HAUGLAND, H. K, FLOOD, P. R
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FLOOD, P. R
description This study was done in order to investigate the normal ultrastructure of well-preserved mouse spinal canal ependyma using light, scanning and transmission electron microscopy. The ependymal lining was found to consist of a simple, cuboidal epithelium essentially similar to the unspecialized cuboidal ependyma of the brain ventricles. Apart from great variation in kinociliary density, no intracellular difference was noted between the ependymal cells. In contrast to earlier findings, indications of the existence of zonulae occludentes between the apical part of the ependymal cells were observed. Our findings do not support the hypothesis of secretion or intracellular transport by the ependyma, or that the ependyma constitutes a significant diffusion barrier.
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K</creatorcontrib><creatorcontrib>FLOOD, P. R</creatorcontrib><title>Ultrastructure of the mouse spinal cord ependyma</title><title>Journal of anatomy</title><addtitle>J Anat</addtitle><description>This study was done in order to investigate the normal ultrastructure of well-preserved mouse spinal canal ependyma using light, scanning and transmission electron microscopy. The ependymal lining was found to consist of a simple, cuboidal epithelium essentially similar to the unspecialized cuboidal ependyma of the brain ventricles. Apart from great variation in kinociliary density, no intracellular difference was noted between the ependymal cells. In contrast to earlier findings, indications of the existence of zonulae occludentes between the apical part of the ependymal cells were observed. Our findings do not support the hypothesis of secretion or intracellular transport by the ependyma, or that the ependyma constitutes a significant diffusion barrier.</description><subject>Anatomy</subject><subject>Animals</subject><subject>Biological and medical sciences</subject><subject>Central nervous system</subject><subject>Ependyma - ultrastructure</subject><subject>Female</subject><subject>Fundamental and applied biological sciences. 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subjects Anatomy
Animals
Biological and medical sciences
Central nervous system
Ependyma - ultrastructure
Female
Fundamental and applied biological sciences. Psychology
Mice
Mice, Inbred Strains
Microscopy, Electron
Microscopy, Electron, Scanning
Spinal Cord - ultrastructure
Vertebrates: nervous system and sense organs
title Ultrastructure of the mouse spinal cord ependyma
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