Fig. 5From: The fetal-maternal interface of the nine-banded armadillo: endothelial cells of maternal sinus are partially replaced by trophoblastGlycogen detected by PAS/PAS-D staining. a Non-pregnant: no detectable glycogen in the endometrium b Early-gestation: intense glycogen staining in the luminal and glandular epithelia. c Mid-gestation; endometrial arcade: strong glycogen staining in the glandular epithelium and mild staining in the stroma. Tr = trophoblast, IVS = intervillous spaceBack to article page