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contentuptodate· Content· item f15_0_15362

©2013 UpToDate ® Print Email Androgens in the development of the pilosebaceous unit Solid lines indicate effects of androgens; dotted lines indicate effects of antiandrogens. Hairs are depicted only in the anagen (growing) phase of the growth cycle. In balding scalp (bracketed area), terminal hairs not previously dependent on androgen regress to vellus hairs under the influence of androgen. Reproduced with permission from: Rosenfield RL, Deplewski D. The role of androgens in the development of biology of the pilosebaceous unit. Am J Med 1995; 98:80S. Copyright © 1995 Excerpta Media, Inc.