TY - CHAP M1 - Book, Section TI - Biology of Hair Follicles A1 - Cotsarelis, George A1 - Botchkarev, Vladimir A2 - Kang, Sewon A2 - Amagai, Masayuki A2 - Bruckner, Anna L. A2 - Enk, Alexander H. A2 - Margolis, David J. A2 - McMichael, Amy J. A2 - Orringer, Jeffrey S. PY - 2019 T2 - Fitzpatrick's Dermatology, 9e AB - AT-A-GLANCEThe primary purpose of hair in humans is to influence social interactions.Hair follicle development depends on interactions between epithelial and mesenchymal cells. The genes important for this interaction are slowly being elucidated.Genes important for hair follicle development also play a role in hair follicle cycling.The hair follicle bulge possesses stem cells important for the continual regeneration of the follicle during cycling.Hair pigmentation depends on melanocyte stem cells and differentiated cells in the follicle. Many genes important for melanocyte behavior and hair pigmentation have been defined. SN - PB - McGraw-Hill Education CY - New York, NY Y2 - 2024/04/16 UR - dermatology.mhmedical.com/content.aspx?aid=1161320823 ER -