Abstract. The results of laser autofluorescence microscopy of the distribution of the intensity of the multidimensional laser autofluorescence (MLA) microscopy of polycrystalline structures of biological tissue preparations are presented. The data of a statistical analysis of the distribution of the magnitude of the intensity of MLA networks of biological crystals of histological sections of tissues of the spleen with the parenchymal morphological structure of the dead are presented.