[Ultrastructural changes in the histohematic barrier of the liver in the early period after endotoxin administration].
Investigation of the changes of the mouse liver cells revealed early reaction of endothelial sinusoid cells and Kupffer cells after endotoxin application. During first 60 min. after endotoxin injection there were certain bulge of nuclear zone, changes of nuclear shape, appearance of microfilaments in the cytoplasm of endothelial cells. An increase in the number of the pores and fenestrae grouped in sieve plates was discovered in the endothelial cells. Their luminal surface formed the bubbles. Such changes of the endothelial cells can be described as their activation. Reaction of the endothelial cells of hepatic sinusoids and activation of the Kupffer cells were revealed at the same time.
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D000818:Animals; D002463:Cell Membrane Permeability / Q000187:drug effects; D003238:Connective Tissue / Q000187:drug effects* / Q000648:ultrastructure; D004727:Endothelium / Q000187:drug effects / Q000648:ultrastructure; D004731:Endotoxins / Q000633:toxicity*; D007728:Kupffer Cells / Q000187:drug effects / Q000648:ultrastructure; D008099:Liver / Q000187:drug effects* / Q000648:ultrastructure; D051379:Mice; D008808:Mice, Inbred CBA; D008854:Microscopy, Electron; D008855:Microscopy, Electron, Scanning; D012486:Salmonella typhimurium; D013997:Time Factors
D004731:Endotoxins
Ul'trastrukturnye izmeneniia gistogematicheskogo bar'era v pecheni v rannie sroki posle vvedeniia éndotoksina.