5 citations
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August 2005 in “Anatomy and Embryology” Rat skin has a linear system of nerve fibers linked to hair follicles and muscles.
22 citations
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August 1999 in “Experimental Dermatology” Certain drugs can cause early hair growth in mice by affecting the nerves.
8 citations
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January 2016 in “Cells tissues organs” Norepinephrine helps skin cells grow, which is important for hair growth.
Transplanted rat hair follicles grew hair and had increased but not fully restored nerve connections in mice.
49 citations
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July 2004 in “Anesthesiology” The document concludes that more research is needed to understand how to treat muscle pain with drugs.