Journal
BRAIN RESEARCH
Volume 992, Issue 2, Pages 294-297Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.brainres.2003.08.052
Keywords
astrocyte; cerebral white matter; perivascular structure, fimbria; corpus callosum; cerebellar medulla
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Regional differences in perivascular glial structures were investigated between the white matter (hippocampal fimbria, corpus callosum, cerebellar medulla) and the gray matter (cerebral cortex) of adult rats. Sparser vascular distribution, perivascular glial rows and cylinder-like segmented astrocytic endings were characteristic in the white matter. The perivascular astrocytic processes covered microvessels extensively in the white matter. Comparison of transverse microvessel sections by transmission electron microscopy (TEM) between the two sites revealed significantly larger perivascular astrocytic spaces in the white matter. (C) 2003 Elsevier B.V. All rights reserved.
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