On the origin of urocanic acid in the horny layer.
D000179:Acrylates / Q000032:analysis / Q000378:metabolism*; D000328:Adult; D000588:Amines / Q000378:metabolism; D005260:Female; D006801:Humans; D007093:Imidazoles / Q000032:analysis / Q000378:metabolism*; D009584:Nitrogen / Q000378:metabolism; D012867:Skin / Q000032:analysis*; D012869:Skin Absorption; D012882:Skin Tests; D013053:Spectrophotometry; D013542:Sweat / Q000032:analysis
D000179:Acrylates; D000588:Amines; D007093:Imidazoles; D009584:Nitrogen