title: Changes in endometrial ground substance.
mesh_terms: D001706:Biopsy; D003594:Cytoplasmic Granules; D004717:Endometrium / Q000166:cytology* / Q000378:metabolism; D005260:Female; D006025:Glycosaminoglycans / Q000378:metabolism*; D006801:Humans; D008407:Mast Cells; D008598:Menstruation; D011247:Pregnancy; D013194:Staining and Labeling; D013997:Time Factors
chemical_list: D006025:Glycosaminoglycans