Definition of telogen
Medical Definition of telogen
: the resting phase of the hair growth cycle following anagen and catagen and preceding shedding Scalp hairs spend four to eight years in anagen and just two to four months in telogen.—Julianne Dunphy, Discover, May 2000 The remaining 10 percent of hairs are in a resting phase called telogen that lasts about three months, after which the resting hairs start falling out.—Jane E. Brody, The New York Times, 20 Nov. 2001
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