title: Some observations on the early development of the optic tectum in the frog (Rana pipiens), with special reference to the effects of early eye removal on mitotic activity in the larval tectum.
mesh_terms: D000818:Animals; D001345:Autoradiography; D001931:Brain Mapping; D008938:Mitosis; D009434:Neural Pathways; D009900:Optic Nerve / Q000196:embryology* / Q000378:metabolism; D011392:Proline / Q000378:metabolism; D011894:Rana pipiens; D012160:Retina / Q000196:embryology*; D013477:Superior Colliculi / Q000196:embryology* / Q000378:metabolism; D013936:Thymidine / Q000378:metabolism; D014316:Tritium
chemical_list: D014316:Tritium; D011392:Proline; D013936:Thymidine