histochemical reactions were observed in the cell coat , cell membrane and the membrane surrounding the secretory granules in all anterior pituitary cells following staining with phosphotungstic acid ( pta ) , chromic acid and pta , the periodic acid-thiosemicarbazide-silver protein method ( pa-tsc-sp ) of thiery , ruthenium red and concanavalin a .
C0061622
cell coat
C0007634
the