Figure 10From: Rhinosinusitis derived Staphylococcal enterotoxin B possibly associates with pathogenesis of ulcerative colitisMast cells in the colonic mucosa. Representative electron photomicrographs of mast cells were taken from the colonic mucosal specimens of A: normal controls, B: patients with UC-only and C and D: patients with UC-CRS (C, before stimulated with SEB; D, after stimulated with SEB). ×3,000.Back to article page