Ecdysone.
D000818:Animals; D001692:Biological Transport / Q000187:drug effects; D002875:Chromosomes / Q000187:drug effects; D004440:Ecdysone / Q000494:pharmacology*; D005809:Genes, Regulator; D007477:Ions / Q000378:metabolism; D008675:Metamorphosis, Biological; D013268:Stimulation, Chemical
D007477:Ions; D004440:Ecdysone