A ninhydrin histochemical test specific for hair keratin.
D000596:Amino Acids / Q000032:analysis*; D055598:Chemical Phenomena; D002621:Chemistry; D003553:Cystine / Q000032:analysis; D004058:Diffusion; D006197:Hair / Q000032:analysis*; D006651:Histocytochemistry; D006801:Humans; D007202:Indicators and Reagents; D007633:Keratins / Q000032:analysis*; D008722:Methods; D013194:Staining and Labeling
D000596:Amino Acids; D007202:Indicators and Reagents; D003553:Cystine; D007633:Keratins