telogen

noun
te·​lo·​gen | \ ˈtē-lə-ˌjen How to pronounce telogen (audio) \

Definition of telogen

: the resting phase of the hair growth cycle that typically lasts three months, is preceded by anagen and catagen, and is usually followed by shedding of the hair shaft during exogen

Note: Anagen will immediately follow telogen if hair is not shed at the end of telogen during the exogen phase.

Examples of telogen in a Sentence

Recent Examples on the Web In healthy hair cycles, most hairs are in a growing phase, with a small percentage in a short resting phase and only about 10 percent of hairs in a shedding or telogen phase. Pam Belluck, New York Times, "Losing Your Hair Can Be Another Consequence of the Pandemic," 24 Sep. 2020 The delayed result, a form of diffuse hair loss called telogen effluvium, was causing her hair to fall out in frightening clumps. New York Times, "She Was Losing Fistfuls of Hair. What Was Causing It?," 3 Feb. 2020 Hairs in the telogen phase generally fall out 100 days later, which means that people would see a shedding at the end of the summer and into the fall. Allure, "Why Your Hair Sheds More in Fall and What You Can Do About It," 21 Nov. 2019 But, in some cases, your body might shed an excessive amount of hair (telogen effluvium). Korin Miller, SELF, "Jessie James Decker Is Dealing with Postpartum Hair Loss," 10 Aug. 2018 What’s more likely is that telogen effluvium is at play (again). Jane Chertoff, SELF, "This Is Why Your Eyebrows Are Thinner Than They Used to Be—and What to Do About It," 13 July 2018 Thyroid problems: Excessive hair loss, or telogen effluvium, can be a sign that your thyroid gland is overactive (hyperthyroidism) or underactive (hypothyroidism). Meghan Overdeep, Southern Living, "WATCH: What Your Hair Is Trying to Tell You About Your Health," 29 Mar. 2018 The subsequent decline in estrogen levels and rise of the stress hormone cortisol causes hair to move from the anagen cycle (growth) to the telogen phase (shedding), Wesley describes. Priya Rao, Vogue, "How to Deal With Post-Pregnancy Hair Loss, According to the Experts," 19 Mar. 2018 Experts estimate that between 40 and 50 percent of women experience telogen effluvium, a.k.a. Jackie Frere, Redbook, "This Viral Video Shows the "Grossly Satisfying" Results of Post-Baby Hair Loss," 7 Dec. 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'telogen.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of telogen

1926, in the meaning defined above

History and Etymology for telogen

telo- + -gen

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Time Traveler for telogen

Time Traveler

The first known use of telogen was in 1926

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Cite this Entry

“Telogen.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/telogen. Accessed 7 Mar. 2021.

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More Definitions for telogen

telogen

noun
te·​lo·​gen | \ ˈtē-lə-ˌjen How to pronounce telogen (audio) \

Medical Definition of telogen

: the resting phase of the hair growth cycle that typically lasts three months, is preceded by anagen and catagen, and is usually followed by shedding of the hair shaft during exogen

Note: Anagen will immediately follow telogen if hair is not shed at the end of telogen during the exogen phase.

Scalp hairs spend four to eight years in anagen and just two to four months in telogen.— Julianne Dunphy 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

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