title: Time of origin of Mauthner's neuron in Xenopus laevis embryos.
mesh_terms: D000818:Animals; D001345:Autoradiography; D002454:Cell Differentiation; D004261:DNA Replication; D009474:Neurons / Q000196:embryology* / Q000378:metabolism; D013936:Thymidine / Q000378:metabolism; D014316:Tritium; D014981:Xenopus / Q000196:embryology*
chemical_list: D014316:Tritium; D013936:Thymidine