Fig. 5.

The matrix diagram presenting the histological analysis of bladder samples stained with hematoxylin and eosine (H&E) and Masson staining (MS). Urothelium: normal (+) marked with light green, hyperplastic (++) marked with dark green. Smooth muscle layer: absent (0) marked with white, segmental (1) marked with yellow, normal with reduced abundance of muscle fibers (2) marked with red, normal muscle (3) marked with black. Inflammatory reaction: lack (0) marked with white, small focal (1) marked with yellow, intensive (2) marked with red, lymph follicles formation (3) marked with black. Capillary density: absent (0) marked with white, low (1) marked with yellow, moderate (2) marked with red, high (3) marked with black. Nerves: present (+) marked with green, absent (−) marked with white. MSCs mesenchymal stem cells, BAM bladder acellular matrix