title: A new morphogenic metabolite of retinol: 3,4-didehydroretinoic acid.
mesh_terms: D000818:Animals; D009024:Morphogenesis / Q000502:physiology*; D014212:Tretinoin / Q000031:analogs & derivatives* / Q000378:metabolism; D014801:Vitamin A / Q000502:physiology*
chemical_list: D014801:Vitamin A; C064742:3,4-didehydroretinoic acid; D014212:Tretinoin