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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.","is_dataset_classified":null,"base_score":2.5649493574615367,"endowment":2.5649493574615367,"datacite_reuse_total":0,"file_count":0,"downloads":0,"views":0,"has_version_chain":false,"is_dataset":false,"is_oa":false,"pmid":"14625069","pmcid":null,"openalex_id":"https://openalex.org/W2048641523","authors":[],"funders":[{"funder_name":"Ministry of Education, Culture, Sports, Science and Technology","grant_id":"","title":null}],"total_grants":1,"fwci":0.0,"citation_percentile":0.08126588,"influential_citations":0,"citation_trend":[{"year":2012,"count":1},{"year":2013,"count":1},{"year":2014,"count":1},{"year":2015,"count":2},{"year":2020,"count":1},{"year":2021,"count":1},{"year":2024,"count":1},{"year":2025,"count":1}],"oa_status":"closed","license":"https://www.elsevier.com/legal/tdmrep-license","oa_locations":[{"url":"https://api.elsevier.com/content/article/PII:S0006899303036461?httpAccept=text/xml","host_type":"publisher"},{"url":"https://api.elsevier.com/content/article/PII:S0006899303036461?httpAccept=text/plain","host_type":"publisher"},{"url":"https://doi.org/10.1016/j.brainres.2003.08.052","host_type":"journal"},{"url":"https://pubmed.ncbi.nlm.nih.gov/14625069","host_type":"repository"}],"fields_of_study":["Neuroscience and Neuropharmacology Research","Advanced Neuroimaging Techniques and Applications","Alzheimer's disease research and treatments","Animals","Astrocytes","Blood-Brain Barrier","Brain","Cerebellum","Cerebral Cortex","Corpus Callosum","Dementia, Vascular","Female","Hippocampus","Microcirculation","Microscopy, Electron","Nerve Fibers, Myelinated","Rats","Rats, Inbred F344"],"mesh_terms":["Animals","Astrocytes","Blood-Brain Barrier","Brain","Cerebellum","Cerebral Cortex","Corpus Callosum","Female","Hippocampus","Microcirculation","Microscopy, Electron","Nerve Fibers, Myelinated","Rats, Inbred F344","Dementia, Vascular","Rats"],"keywords":["White matter","Perivascular space","Corpus callosum","Pathology","Anatomy","Grey matter","Microvessel","Biology","Neuroscience","Medicine","Magnetic resonance imaging","Immunohistochemistry"],"sdg_mappings":[],"linked_datasets":[],"clinical_trials":[],"software_tools":[],"database_accessions":[],"source":"live","citation_network_status":"fetched"},"created_at":"2026-08-02T14:11:39.889135Z","pmid":null,"pmcid":null,"fwci":null,"citation_percentile":null,"influential_citations":0,"oa_status":null,"license":null,"views":0,"total_file_size_bytes":0,"version_count":0,"fair_f":null,"fair_a":null,"fair_i":null,"fair_r":null,"fair_zscore":null,"fair_rationale":null,"fair_model":null,"fair_agent_version":null,"fair_fulltext_source":null,"fair_has_llm":null,"fair_computed_at":null,"clinical_trials":[],"software_tools":[],"db_accessions":[],"linked_datasets":[],"topics":[]}