| Anatomy Item | Stage Range | 
								
									
										| cement gland primordium | NF stage 13 to NF stage 28 | 
								
									
										| cranial placode | NF stage 13 to NF stage 42 | 
								
									
										| dorsolateral placode region | NF stage 19 to NF stage 40 | 
								
									
										| epibranchial placode | NF stage 28 to NF stage 37 and 38 | 
								
									
										| lens placode | NF stage 13 to NF stage 28 | 
								
									
										| olfactory placode | NF stage 20 to NF stage 42 | 
								
									
										| otic placode | NF stage 18 to NF stage 26 | 
								
									
										| stomodeal-hypophyseal primordium | NF stage 18 to NF stage 40 | 
								
									
										| trunk placode | NF stage 33 and 34 to NF stage 41 | 
								
									
										| unicellular gland | NF stage 50 to juvenile frog stage |