This page is historical material reflecting the Feedback Loop Blog as it existed on
October 31, 2013. This page is no longer updated and links to external websites
and some internal pages may not work.
October 31, 2013
Credit: Yaron Fuchs and Samara Brown in the lab of Hermann Steller, Rockefeller University.
Whether injured by a scrape, minor burn or knife wound, skin goes through the same steps to heal itself. Regrowing hair over new skin is one of the final steps. All the hair you can see on your body is non-living, made up of “dead” cells and protein. It sprouts from living cells in the skin called hair follicle stem cells, shown here in red and orange. For more pictures of hair follicle stem cells—and many other stunning scientific images and videos—go to the
NIGMS Image and Video Gallery.
Learn more:
Rockefeller University News Release 
Steller Lab
About the Author
Originally trained in biochemistry, Alisa wrote about the full range of NIGMS-supported research before transferring to the National Institute of Arthritis and Musculoskeletal and Skin Diseases in April 2020. She managed the NIGMS image and video gallery, and helped foster science education at NIH.
National Institute of
