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. 2022 Dec 28;7:77. doi: 10.1038/s41536-022-00267-y

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Fig. 5 — The dermal papilla secretes Wnts which activate the stem cells of the bulge and the progenitor cells of the secondary germ. In contrast, the dermal papilla also produced BMPs promoting quiescence of these cells and prevent their activation. (This Figure was published in Sennett and Rendl, 2012²¹¹; Copyright Elsevier).