title: Cytological observations on sperm penetration of rabbit eggs.
mesh_terms: D000818:Animals; D002455:Cell Division; D002875:Chromosomes; D005260:Female; D005306:Fertilization; D008297:Male; D008858:Microscopy, Phase-Contrast; D010053:Ovary / Q000166:cytology; D010057:Oviducts; D010063:Ovum / Q000002:abnormalities / Q000166:cytology*; D011817:Rabbits; D012728:Sex Chromatin; D013094:Spermatozoa / Q000166:cytology*; D013997:Time Factors; D014817:Vitelline Membrane