title: Time relationships of spermatozoon penetration into the egg of the rhesus monkey.
mesh_terms: D000818:Animals; D005260:Female; D005306:Fertilization; D000882:Haplorhini; D006652:Histological Techniques; D007314:Insemination; D008297:Male; D010063:Ovum / Q000166:cytology / Q000502:physiology*; D013094:Spermatozoa / Q000166:cytology / Q000502:physiology*; D013997:Time Factors