title: Disappearance of anionic sites from the surface of the rat endometrial epithelium at the time of blastocyst implantation.
mesh_terms: D000818:Animals; D000838:Anions; D010064:Embryo Implantation; D004717:Endometrium / Q000502:physiology* / Q000648:ultrastructure; D004971:Estrus; D005260:Female; D006651:Histocytochemistry; D006863:Hydrogen-Ion Concentration; D009994:Osmolar Concentration; D011247:Pregnancy; D011555:Pseudopregnancy; D051381:Rats
chemical_list: D000838:Anions