Cell multiplication in the chick blastoderm up to the time of laying.
D000818:Animals; D001345:Autoradiography; D002455:Cell Division; D002642:Chick Embryo; D004626:Embryology; D005855:Germ Layers / Q000166:cytology*; D066298:In Vitro Techniques; D010784:Photomicrography; D013936:Thymidine
D013936:Thymidine