[Problem] To provide a visualization method for D-cells contained in human brain tissue that is obtained after death or autopsy. [Solution] A D-cell visualization method including: a step for fixing human brain tissue that is obtained after death or autopsy; a step for slicing the fixed brain tissue; a step for deactivating peroxidase contained in the sliced brain tissue; a step for reacting a primary antibody, which is obtained by reacting an antigen with an animal, with the brain tissue in which the peroxidase has been deactivated; a step for reacting a secondary antibody, for which the primary antibody serves as an antigen, with the brain tissue with which the primary antibody has been reacted; and a step for the coloration of the brain tissue with which the secondary antibody has been reacted.
D-CELL VISUALIZATION METHOD