A bilaminar human ovum.
D000328:Adult; D000650:Amnion; D010064:Embryo Implantation; D004717:Endometrium / Q000166:cytology*; D005260:Female; D005306:Fertilization; D005855:Germ Layers; D005865:Gestational Age; D006801:Humans; D010063:Ovum / Q000254:growth & development*; D010920:Placenta; D011247:Pregnancy; D014327:Trophoblasts / Q000166:cytology*