The Histochemistry of Chronically Sun-Damaged Skin An Investigation of Mucopolysaccharides and Basophilia in Actinically Damaged Skin Using Alcian Blue, Mowry's, and Hicks-Matthaei Stains, Methylation, and Saponification11From the Division of Dermatology, Department of Medicine and the Center for the Study of Aging, Duke University Medical Center, Durham, North Carolina.These studies were supported in part by: National Institutes of Health Grant 2G516; Smith, Kline, and French Company; and The Upjohn Company.Presented at the Twenty-second Annual Meeting of The Society for Investigative Dermatology, Inc., New York, N.Y., June 27, 1961.