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Developmental biology

A hair-raising tale


Signals from the external microenvironment or 'niche' determine the fate of stem cells. In the hair follicle, stem cells themselves seem to act as a niche for the adjoining muscle cells that cause goosebumps.

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Figure 1: The anatomy of hair.


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Correspondence to Bruce A. Morgan.

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Morgan, B. A hair-raising tale. Nature 471, 586–587 (2011).

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