title: Species specificity in fertilization.
mesh_terms: D000818:Animals; D005075:Biological Evolution; D002417:Cattle; D002465:Cell Movement; D006224:Cricetinae; D005260:Female; D005306:Fertilization; D006824:Hybridization, Genetic; D007315:Insemination, Artificial; D008297:Male; D051379:Mice; D010063:Ovum / Q000201:enzymology / Q000276:immunology / Q000502:physiology; D011402:Pronase / Q000494:pharmacology; D011817:Rabbits; D051381:Rats; D013045:Species Specificity; D013075:Sperm Capacitation; D013094:Spermatozoa / Q000201:enzymology / Q000276:immunology / Q000502:physiology
chemical_list: D011402:Pronase