单词	microglia
释义	microglia /ˌmʌɪkrə(ʊ)ˈɡlʌɪə / /ˌmɪkrə(ʊ)ˈɡlʌɪə/ plural noun Anatomy Glial cells derived from mesoderm that function as macrophages (scavengers) in the central nervous system and form part of the reticuloendothelial system.Scavenger cells called microglia can be found in the center of plaques, and astrocytes, a type of cell that usually helps protect neurons, are found around the outside of the spherical plaques.... The neurohypophysis was replaced by fibrotic tissue containing perivascular macrophages and activated microglia, and in the cerebellum, there were large areas of myelin pallor. Optic pathway gliomas in humans are typically surrounded by blood vessels and microglia, which are immune system cells in the brain. Derivatives microglial adjective ... The nitration and oxidation injury from the microglial proinflammatory response promotes a vicious cycle of continued oxidative neural injury and microglial activation. Glial nodules, also called Babes nodes, consist of a small focus of lymphocytes and microglial cells centered on a neuron, and there is often evidence of neuronophagia. Pathologic findings included cell loss, gliosis, vacuolization, microglial cell proliferation, and perivascular lymphocytic infiltrates; the most severely affected regions were the gray matter of the cervical and lumbar cord.
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