Cytomorphological changes of a cat’s cadaver’s parenchymal organs in the early postmortem period in the forensic veterinary examination aspect

Keywords: forensic veterinary examination; postmortem changes; smears; lungs; heart; liver; spleen; kidneys; pancreas; brain

Abstract

Cytomorphological changes of a cat’s cadaver’s parenchymal organs in the early postmortem period were established in the aspect of forensic veterinary examination. The aim of this work was to clarify the processes of necrobiosis at the cellular level under aerobic environment on the first day after the animal’s death as a cytomorphological criterion in the aspect of forensic veterinary examination when deciding time of death in the early postmortem period in conditions of its non-obviousness. It has been proven that the most dynamic cytomorphological changes were found in the spleen tissue, pancreas and heart; cytoarchitectonics of liver and lung tissue changed less intensively. Intense cytomorphological changes in kidney tissue and brain were not observed. It was revealed that it is impossible to determine the histological topography of cells during the cytological examination of samples from parenchymal organs after the first day of the postmortem period. It was found that for solving the forensic veterinary examination problems, the dynamics of the kidney and brain tissue cytoarchitectonics was not informative, the necrobiosis of liver and lung cells had average information content, and the changes in the cytomorphological picture in the spleen tissue, pancreas, and in heart were highly informative. The intensity of the dynamics of cytomorphological changes and their informativeness for solving the question of the time of death were in direct correlation. It is recommended to use the express cytological method as an additional one in the practice of forensic veterinary examination to resolve the issue of the time since death of animal in terms of its non-obviousness before the appearance of late cadaveric phenomena.

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Published
2021-09-14
How to Cite
Kazantsev, R. H., & Yatsenko, I. V. (2021). Cytomorphological changes of a cat’s cadaver’s parenchymal organs in the early postmortem period in the forensic veterinary examination aspect. Theoretical and Applied Veterinary Medicine, 9(3), 146-159. https://doi.org/10.32819/2021.93023