Structural changes of neurons in hippocampus from infantile rats exposed to hyperbaric oxygen

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摘要 Objective:Toinvestigateifhyperbaricoxygen(HBO)mayinducestructuralchangesofneuronsinhippocampusfrominfactileratsandifthechangesarereversible.Methods:All27healthySDinfantileratswereexposedtoHBO(0.25MPa)orhyperbaricair(HBA)for1to3courses(10daysas1course).Thehippocampuswastakenattheendofeachcoursetoobserveitsmorphologybylightmicroscopeandelectronmicroscope.Results:HBOexposureinducedcapillarydilation,nuclearmembranewindingorblurringandsomemitochondriaswellingwithitscristablurringinneurons.Thechangesoccurredafter1courseexposureandbecamesignificantwithtime.Mostofthechangesrecovered20daysafterstoppingexposure.NochangewasfoundafterHBAexposure.Conclusions:Long-termHBOexposurecancausecapillarydilationandultrastructuralinjuryofneuronsinhippocampusfrominfantilerats.Thedamageisnotserious,butreversible.
机构地区 不详
出版日期 2000年04月14日(中国期刊网平台首次上网日期,不代表论文的发表时间)
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