when other sections of intestines from these mice were processed in carnoy 's fixative and were stained with alcian blue at low ph ( a metachromatic stain for mast cells ) or alcian blue followed by immunofluorescence staining for ige , large numbers of mast cells were observed in the intestinal mucosa , and 70 to 90 % stained positively for ige .
C0021853
intestines
C0021839
intestinal mucosa