相關ovum的文學知識

fertilized ovum造句

fertilized ovum造句

Anyofthecellsresultingfromthecleavageofafertilizedovumduringearlyembryonicdevelopment.Derivedfromasinglefertilizedovumorembryoniccellmass.Usedespeciallyofidenticaltwins.twinsdevelopedfromthesamefertil...