title: Physiologic implications of the formation of previtamin D3 in skin.
mesh_terms: D000818:Animals; D002117:Calcitriol; D002762:Cholecalciferol / Q000096:biosynthesis* / Q000302:isolation & purification / Q000378:metabolism / Q000502:physiology / Q000031:analogs & derivatives; D002775:Cholestadienols / Q000096:biosynthesis*; D003684:Dehydrocholesterols / Q000096:biosynthesis* / Q000302:isolation & purification / Q000378:metabolism / Q000528:radiation effects; D006358:Hot Temperature; D008968:Molecular Conformation / Q000528:radiation effects; D010777:Photochemistry; D051381:Rats; D012867:Skin / Q000378:metabolism / Q000528:radiation effects; D012879:Skin Physiological Phenomena; D012881:Skin Temperature; D014466:Ultraviolet Rays; D014807:Vitamin D / Q000096:biosynthesis / Q000378:metabolism
chemical_list: D002775:Cholestadienols; D003684:Dehydrocholesterols; D014807:Vitamin D; D002762:Cholecalciferol; C025169:1,25-dihydroxy-previtamin D(3); C016705:7-dehydrocholesterol; D002117:Calcitriol; C025168:previtamin D(3)