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  • Title: [An ultrastructural analysis of the postmortem changes in the sinoauricular area of the canine heart].
    Author: Pavlovich ER.
    Journal: Arkh Patol; 1998; 60(6):47-51. PubMed ID: 9949906.
    Abstract:
    The EM study of all tissues and myocyte components in the sinus node (SN) and adjacent working myocardium of the right atrium was performed in normal dogs and in dogs 1, 2, and 3 hours after death. A quantitative evaluation of the myocyte density, connective tissue components, vessels and nerve fibers in the SN and working myocardium of this region was performed. Destructive changes having mosaic appearance were observed in the conducting and working myocytes, myelinated and non-myelinated, nerve fibers, in vessels and partly in components of connective tissue of both SN and working myocardium. Possible mechanism of development of the ultrastructural pathology in the sinoauricular region of the heart during autolysis are discussed.
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