Granulation tissue in the skin. Light micrograph (LM). Granulation tissue sets the stage for epithelial tissue to be laid down on top of the wound bed.This is a microscope image of granulation tissue in an infected wound. It is a network of many cells including fibroblasts, leukocytes, and plasma cells, with capillaries running throughout. Magnification: x100 when printed at 10 centimetres wide. Human tissue.