Avian gastrulation.
D000818:Animals; D001345:Autoradiography; D001717:Birds / Q000196:embryology*; D001921:Brain / Q000196:embryology; D002454:Cell Differentiation; D002455:Cell Division; D002642:Chick Embryo / Q000166:cytology / Q000378:metabolism / Q000637:transplantation; D003470:Culture Media; D046508:Culture Techniques; D004247:DNA / Q000096:biosynthesis; D005260:Female; D005855:Germ Layers / Q000254:growth & development*; D008722:Methods; D009024:Morphogenesis; D009420:Nervous System / Q000196:embryology; D010047:Ovalbumin; D013116:Spinal Cord / Q000196:embryology; D013194:Staining and Labeling; D013936:Thymidine; D013997:Time Factors; D014316:Tritium; D014562:Caudata / Q000196:embryology; D014817:Vitelline Membrane / Q000254:growth & development
D003470:Culture Media; D014316:Tritium; D010047:Ovalbumin; D004247:DNA; D013936:Thymidine