Telogen and anagen hairs

(A) Telogen club hairs have a cornified, depigmented, rounded-up bulb without an attached root sheath.
(B) Normal anagen hairs have pigmented, distorted bulbs and 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.

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