Fig. 6
From: Determination of the median lethal dose of zinc gluconate in mice and safety evaluation
Histological analysis of the spleen 48Â h after the last intravenous injection of different sub-lethal doses of zinc gluconate. Representative images of H&E staining of spleen sections. The black arrow indicates a decrease in the number of white pulp and a reduction of lymphocytes in local areas. Magnification: x200. Note: NC:normal saline, I:1/8LD50,II:1/4LD50,1/2LD50,IV:3/4LD50