title: Electron microscopic observations of the distribution of acidic anionic residues on hamster spermatozoa and eggs before and during fertilization.
mesh_terms: D000818:Animals; D001665:Binding Sites; D002462:Cell Membrane; D003102:Colloids; D006224:Cricetinae; D003593:Cytoplasm; D005260:Female; D005306:Fertilization; D006652:Histological Techniques; D006801:Humans; D006878:Hydroxides; D007106:Immune Sera; D066298:In Vitro Techniques; D007501:Iron; D008297:Male; D008854:Microscopy, Electron; D010063:Ovum / Q000166:cytology*; D013094:Spermatozoa / Q000166:cytology*
chemical_list: D003102:Colloids; D006878:Hydroxides; D007106:Immune Sera; D007501:Iron