title: Sperm penetration in vitro of mouse oocytes at various times during maturation.
mesh_terms: D000818:Animals; D002455:Cell Division; D002467:Cell Nucleus; D002843:Chromatin; D005260:Female; D005306:Fertilization; D007314:Insemination; D008297:Male; D051379:Mice; D008858:Microscopy, Phase-Contrast; D010063:Ovum / Q000502:physiology*; D013075:Sperm Capacitation; D013094:Spermatozoa / Q000502:physiology*; D013194:Staining and Labeling; D013997:Time Factors
chemical_list: D002843:Chromatin