Cell lineage, determination and differentiation in earliest developmental stages in mammals.
D000818:Animals; D001755:Blastocyst / Q000166:cytology; D002454:Cell Differentiation; D004622:Embryo, Mammalian / Q000166:cytology*; D005260:Female; D005854:Germ Cells / Q000166:cytology; D008297:Male; D008322:Mammals / Q000196:embryology*; D051379:Mice; D008954:Models, Biological; D009374:Neoplasms, Experimental / Q000473:pathology; D013724:Teratoma / Q000473:pathology; D014327:Trophoblasts / Q000166:cytology