title: Failure of zona penetration of hamster spermatozoa after prolonged preincubation in a blood serum fraction.
mesh_terms: D000818:Animals; D000906:Antibodies; D001769:Blood; D006224:Cricetinae; D003470:Culture Media; D003593:Cytoplasm; D005260:Female; D005306:Fertilization; D066298:In Vitro Techniques; D008297:Male; D008854:Microscopy, Electron; D010063:Ovum / Q000502:physiology*; D012709:Serum Albumin / Q000378:metabolism; D013075:Sperm Capacitation; D013094:Spermatozoa / Q000378:metabolism / Q000502:physiology*
chemical_list: D000906:Antibodies; D003470:Culture Media; D012709:Serum Albumin