Electron microscopic study of the reaction of the newborn rat brain to injury.
摘要：
The reaction of the newborn rat brain following needle injury has been studied electron microscopically. Very few protoplasmic astrocytes are present in the newborn brain, and they do not appear to participate in the reaction. Instead, the extracellular space appears to be widened by an accumulation of oedema fluid. The microglial cells react remarkably rapidly; many macrophages containing whole cells as well as myelin figures and lipid droplets are found within 24 hours after the injury. At no time does a dense glial or connective tissue scar form. These reactions are quite different from those characteristic of mature brain tissue, and possible explanations for these differences are discussed.
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DOI：
10.1007/BF00690707
被引量：
年份：
1968
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