title: Biosynthesis of alpha- and beta-ecdysone by the crayfish Orconectes limosus in vivo and by its Y-organs in vitro.
mesh_terms: D000818:Animals; D003400:Astacoidea / Q000378:metabolism*; D002784:Cholesterol / Q000378:metabolism; D004440:Ecdysone / Q000096:biosynthesis*; D004702:Endocrine Glands / Q000378:metabolism*
chemical_list: D004440:Ecdysone; D002784:Cholesterol