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Video: Gliosis - Dictionary Of Medical Terms
2024 Author: Rachel Wainwright | [email protected]. Last modified: 2023-12-15 07:39
Gliosis
Gliosis [gliosis; Greek glia - glue + -ōsis (word-form. suffix) - disease] - growth of astrocytic neuroglia, accompanied by hyperproduction of glial fibers, is a process of its replacement hyperplasia (an increase in the number of structural elements) in response to the death of nervous tissue.
Types of gliosis:
- anisomorphic (anisomorpha) - characterized by a chaotic arrangement of growing glial fibers;
- fibrous (fibrosa) - in which the formation of glial fibers is more pronounced in comparison with the cellular elements of glia;
- diffuse (diffusa) - spreading to large areas of the spinal cord or brain;
- isomorphic (isomorpha) - characterized by the relatively correct placement of growing glial fibers;
- marginal (marginalis) - expressed mainly in the intrathecal areas of the brain;
- perivascular (perivascularis; Greek peri - around + Latin vasculum, diminutive of vas - vessel) - located around sclerosed and / or inflamed vessels;
- subependymal (subependymalis; Latin sub - under + Greek ependyma - outerwear) - located in the areas of the brain located under the ependyma.
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