The development of the spinal cord examined by autoradiography.
D000818:Animals; D001345:Autoradiography; D002642:Chick Embryo; D004247:DNA / Q000096:biosynthesis; D066298:In Vitro Techniques; D013116:Spinal Cord / Q000196:embryology*; D013936:Thymidine
D004247:DNA; D013936:Thymidine