胚外脏壁中胚层extraembryonic splanchnopleuric mesoderm
胚外外胚层extraembryonic ectoderm【胚】
胚外体壁中胚层extraembryonic somatopleuric mesoderm
胚外脏壁中胚层extraembryonic splanchnopleuric mesoderm
胚外内胚层extraembryonic endoderm
胚外体腔extraembryonic coelom
胚外中胚层extraembryonic mesoderm
胚外内胚层extraembryonic endoderm【胚】