Related Experiment Videos
[Ultrastructure of cerebral cortex capillaries in stroke]
Zhurnal Nevropatologii I Psikhiatrii Imeni S.S. Korsakova (Moscow, Russia : 1952)
|January 1, 1977
Summary
Stroke-induced capillary damage in the cerebral cortex involves cell dystrophy and endothelial hyperplasia. These ultrastructural changes worsen neuronal damage and brain edema due to hypoxia.
Area of Science:
- Neurology
- Pathology
- Cell Biology
Context:
- Electron microscopy of cerebral cortex in stroke patients.
- Focus on dominant hemispheres in 9 deceased individuals.
Purpose:
- To analyze pathological changes in cerebral cortex capillaries post-stroke.
- To identify diffuse, generalizing ultrastructural alterations in brain capillaries.
Summary:
- Capillary wall dystrophy observed, characterized by lysosomal inclusions, lipofuscin granules, mitochondrial disintegration, and altered oxidation-reduction processes.
- Endothelial growth and hyperplasia were noted as key changes.
- These alterations contribute to neuronal damage, exacerbating the stroke's pathological course.
Impact:
- Hypoxia from ischemia plays a crucial role in cerebrovascular disturbances.
- Observed changes lead to plasmorrhagia, brain edema, and further neuronal affection.
- Understanding these ultrastructural changes is vital for stroke research and treatment development.