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The gray matter remains normal in all characteristics while the white matter changes texture, becoming soft and gelatinous. Rarefaction of the white matter is seen through light microscopy and the small number of axons and U-fibers that were affected can also be seen. Numerous small cavities in the white matter are also apparent.
Leukodystrophies are a group of, usually, inherited disorders, characterized by degeneration of the white matter in the brain. [1] The word leukodystrophy comes from the Greek roots leuko, "white", dys, "abnormal" and troph, "growth".
Leukoencephalopathy (leukodystrophy-like diseases) is a term that describes all of the brain white matter diseases, whether their molecular cause is known or unknown. [1] It can refer specifically to any of these diseases: Progressive multifocal leukoencephalopathy; Toxic leukoencephalopathy
These children may have excessive vomiting, difficulty swallowing and speaking, poor coordination, and loss of motor control. Adult-onset forms of Alexander disease are less common. The symptoms sometimes mimic those of Parkinson's disease or multiple sclerosis , or may present primarily as a psychiatric disorder .
The white matter in preterm born children is particularly vulnerable during the third trimester of pregnancy when white matter developing takes place and the myelination process starts around 30 weeks of gestational age. [3]
The sociology of health and illness, sociology of health and wellness, or health sociology examines the interaction between society and health. As a field of study it is interested in all aspects of life, including contemporary as well as historical influences, that impact and alter health and wellbeing. [1] [2]
The "passivity" agreement FDIC wants BlackRock to sign is designed to assure bank regulators that the giant money manager will remain a "passive" owner of an FDIC-supervised bank and won’t exert ...
The exact cause for the varied collection of symptoms found in the different ALD phenotypes is not clear. The white matter of the brain, the Leydig cells of the testes and the adrenal cortex are the most severely affected systems. [1] The excess VLCFA can be detected in almost all tissues of the body, despite the localization of symptoms. [1]