Normal anagen hair and loose anagen syndrome hair

(A) Normal anagen hairs have pigmented, distorted bulbs and an attached root sheath.
(B) Hairs shed from the scalp in patients with loose anagen syndrome have a ruffled cuticle and lack an attached root sheath.

Reproduced with permission from: Wolff K, Goldsmith LA, Katz S, et al. Fitzpatrick's Dermatology in General Medicine, 7th ed, McGraw-Hill Professional 2008. Copyright © 2008 The McGraw-Hill Companies, Inc.

Graphic 87514 Version 5.0

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Normal anagen hair and loose anagen syndrome hair