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Expert
Reviews in Molecular Medicine: http://www.expertreviews.org/
Accession information: Vol. 8; Issue 14; 20 June 2006 Abstract
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Hair follicle cycle
Wei Lu, Jerry Shapiro, Mei Yu, Armin Barekatain, Blanche Lo, Andreas Finner and Kevin McElwee
Figure 1. Hair follicle cycle. The normal hair cycle can be divided into four relatively distinct, successive periods: active growth phase (anagen), a short transition phase with regression (catagen), a resting phase (telogen) and a shedding stage (exogen). In the anagen phase, the follicle regenerates from the active epithelial stem cells, which reside in, or close to, the permanent ‘bulge’ region of the follicle. Although the size and length of the hair shaft are related to the size of the hair follicle and the duration of anagen, these attributes are remarkably diverse with body site and can change as a result of disease. Modified figure after Stenn and Paus (Ref. 4).
| References
cited in Figure 1 4 Stenn, K.S. and Paus, R. (2001) Controls of hair follicle cycling. Physiol Rev 81, 449-494 |
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