title: Multiple functions of vitamin A.
mesh_terms: D000042:Absorption; D000818:Animals; D001692:Biological Transport; D002338:Carotenoids / Q000378:metabolism; D002454:Cell Differentiation; D002462:Cell Membrane / Q000502:physiology; D002467:Cell Nucleus / Q000502:physiology; D055598:Chemical Phenomena; D002621:Chemistry; D004224:Diterpenes; D006706:Homeostasis; D006801:Humans; D007425:Intracellular Membranes / Q000378:metabolism; D011103:Polyisoprenyl Phosphate Monosaccharides / Q000378:metabolism; D009626:Terminology as Topic; D014212:Tretinoin / Q000378:metabolism; D014801:Vitamin A / Q000031:analogs & derivatives / Q000097:blood / Q000378:metabolism / Q000502:physiology*; D019207:beta Carotene
chemical_list: D004224:Diterpenes; D011103:Polyisoprenyl Phosphate Monosaccharides; D019207:beta Carotene; D014801:Vitamin A; D002338:Carotenoids; C012532:retinol phosphate; C013101:mannosylretinylphosphate; D014212:Tretinoin