Figure 4.

Localization of basophils and mast cells in toluidine blue‐stained skin sections. Bar = 25 µm. (A) 0 hours (control) showing intact mast cells in dermis (arrow). (B) 3 hours showing degranulating mast cells (arrow) in dermis after sulphur mustard (SM) (5 mg/kg) treatment. (C) 03 hours showing degranulating mast cell (arrow) in dermis after SM (10 mg/kg) treatment. (D) 168 hours showing metachromatic regranulating basophils (arrow).