title: Occurrence of ecdysone in the blood of the chelicerate arthropod, Limulus polyphemus.
mesh_terms: D000818:Animals; D001181:Arthropods / Q000032:analysis*; D002782:Cholestenes / Q000032:analysis; D004440:Ecdysone / Q000032:analysis*; D006458:Hemolymph / Q000032:analysis; D006737:Horseshoe Crabs / Q000032:analysis*; D007814:Larva
chemical_list: D002782:Cholestenes; D004440:Ecdysone