Abstract:In the course of ultrastructural investigations of motor endplate pathology mediated by calcium ions, intranuclear sarcoplasmic inclusions, either membrane-free (true type) or membrane-delimited (false type), were observed during chronic daily high-dose exposure to the anticholinesterase neostigmine. At the stage in which subjunctional components, including soleplate nuclei, were severely damaged (day 7), the true nuclear inclusions were frequently associated with the disrupted nuclear envelope (fragmentation,… Show more
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