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A Mueller matrix model of biological tissues optical anisotropy is proposed. The relationships between the histological sections phase (birefringence) anisotropy parameters and polarization maps are determined. The experimental results of the brain and liver native histological sections polarization mapping of those who died with different durations of blunt mechanical trauma are presented. As part of the statistical analysis of the set of native samples digital microscopic images ellipticity coordinate distributions. The main time scenarios for changes in the biological tissues optically anisotropic architectonics polarization map’s topographic structure were determined. On this basis, a polarization method has been proposed for determining the duration of blunt mechanical trauma. The possibility of detecting, using statistical polarization markers, the duration of a mechanical injury for 18 hours with an accuracy of 45 to 60 minutes has been demonstrated. Prospects for further research using laser-induced autofluorescence polarimetry methods that are more sensitive at the molecular level are presented.
