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Oxygen toxicity in the infant rhesus monkey lung. Light microscopic and ultrastructural studies

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dc.contributor.authorAinsworthl, Dorothy M.es
dc.contributor.authorKeithl, lngegerdes
dc.contributor.authorLobas, Jeffrey G.
dc.contributor.authorFarrel, Philip M.
dc.contributor.authorEicker, W.
dc.date.accessioned2011-01-17T12:38:53Z
dc.date.available2011-01-17T12:38:53Z
dc.date.issued1986
dc.description.abstractEight monkeys were anesthetized with ketamine hydrochloride and positive pressure ventilated with >95% oxygen (tests) or room air (controls) for 24 hours. Two test monkeys and one control were treated with E. col; endotoxin (500 pg/kg) 1V at the start of the study and after 12 hours. Histopathological changes in the lung parenchyma were evaluated using light and electron microscopy. Interstitial edema was detected as early as 24 hours after the onset of hyperoxia but there was no significant increase in the alveolar-capillary distance (blood-air barrier). Morphologic signs of oxygen toxicity further included swelling and disruption of vascular endothelium, and swelling of alveolar Type I1 pneumocytes. There was no difference in the number of macrophages per high power field between the four groups but significant differences were observed in the number of neuroepithelial bodies (NEBs) per cmL and mast cells per high power field at the light microscopic level. Treatment with endotoxin did not protect against oxygen toxicity and was associated with an exacerbation of the morphological alterations in the lung parenchyma and swelling of alveolar Type 1 pneumocytes.en_EN
dc.formatapplication/pdfes
dc.format.extent13es
dc.identifier.issn0213-3911es
dc.identifier.urihttp://hdl.handle.net/10201/17797
dc.languageenges
dc.publisherMurcia : F. Hernándezes
dc.relation.ispartofHistology and histopathologyes
dc.rightsinfo:eu-repo/semantics/openAccesses
dc.subjectHyperoxiaes
dc.subjectPulmonaryes
dc.subject.otherCDU::6 - Ciencias aplicadas::61 - Medicinaes
dc.titleOxygen toxicity in the infant rhesus monkey lung. Light microscopic and ultrastructural studieses
dc.typeinfo:eu-repo/semantics/articlees
dspace.entity.typePublicationes
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Histology and histopathology Vol. 1, nº 1 (1986)