Time differences in the formation of the receptor types in the developing chick retina.
D000818:Animals; D001345:Autoradiography; D002642:Chick Embryo; D004247:DNA / Q000096:biosynthesis; D008854:Microscopy, Electron; D008938:Mitosis; D010786:Photoreceptor Cells / Q000196:embryology; D012160:Retina / Q000196:embryology*; D013936:Thymidine / Q000378:metabolism; D013997:Time Factors; D014316:Tritium
D014316:Tritium; D004247:DNA; D013936:Thymidine