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Contact: Karen Kreeger
karen.kreeger@uphs.upenn.edu
215-349-5658
University of Pennsylvania School of Medicine
Caption: Top panels show progenitor cells marked in green (left) and brown (right) in cross section of a hair follicle. Bottom panel shows side view of hair follicle with stem-cell- and progenitor-cell-rich areas.
Credit: George Cotsarelis, MD, University of Pennsylvania School of Medicine
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Related news release: Male pattern balding may be due to stem cell inactivation, according to Penn study
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