name Carnegie_Stage_6b namespace http://cytomer.bioinf.med.uni-goettingen.de# parent developmental_stage name [] Carnegie Stage 6b label [en] Carnegie_Stage_6b feature [] formation of primitive streak that determines the embryonic axis, this process marks the beginning of gastrulation; edge cells migrate into the primitve streak (mesoderm) to build a trilaminar disc (now containing endoderm (the former hypoblast), mesoderm and ectoderm (the former epiblast)) ACC [] cy0000010 age [] 14 -15dpo speciesNo [] 86 onweb [] 1 stageNo [] 12 hasPart blood_islands hasPart mesoblastic_core_of_primary_villi hasPart blood_vessel_primordia_of_connecting_stalk hasPart chorionic_mesoderm hasPart secondary_villi hasPart endoderm hasPart mesoblastic_core_of_secondary_villi hasPart extraembryonic_component hasPart connecting_stalk hasPart mesenchyme_of_connecting_stalk hasPart cytotrophoblastic_column hasPart endoderm_of_secondary_yolk_sac hasPart exocoelomic_vesicles hasPart amniotic_ectoderm hasPart mesoderm hasPart amnion hasPart chorionic_cavity hasPart head_mesenchyme hasPart maternal_sinusoids hasPart primitive_streak hasPart syncytiotrophoblast hasPart extraembryonic_mesoderm_of_secondary_yolk_sac hasPart amniotic_duct hasPart secondary_yolk_sac hasPart blood_vessel_primordia_of_secondary_villi hasPart amniotic_mesoderm hasPart trophoblastic_lacunae hasPart ectoderm hasPart prechordal_plate hasPart cytotrophoblast hasPart secondary_yolk_sac_cavity hasPart allantoenteric_diverticulum_of_secondary_yolk_sac hasPart part_of_trilaminar_germ_disc hasPart chorionic_plate hasPart amniotic_cavity hasPart chorion hasPart primary_villi