title: The origin of the trabeculated ventricular septum in the chick embryo as determined by radioautographic mapping.
mesh_terms: D000818:Animals; D001345:Autoradiography; D002642:Chick Embryo; D005855:Germ Layers / Q000637:transplantation; D006346:Heart Septum / Q000196:embryology*; D013936:Thymidine / Q000378:metabolism; D014184:Transplantation, Homologous; D014316:Tritium
chemical_list: D014316:Tritium; D013936:Thymidine