telogen
noun
te·lo·gen
ˈtē-lə-ˌjen 
Examples of telogen in a Sentence
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Around the age of 49 days, mice enter the telogen phase, during which hair follicles are naturally dormant and no new growth occurs for about six weeks.
—
New Atlas, 29 Oct. 2025
People with telogen effluvium often notice thinning, breakage, and increased shedding on their pillowcases and hair brushes.6
Thyroid Hormones
The thyroid gland in your neck helps produce hormones that regulate heart rate, mood, digestion, and breathing.
—Carley Millhone, Health, 4 Aug. 2025
Both the catagen and telogen phases of the hair cycle (where the hair shaft is released from the scalp) are reduced and, simply put, stay attached to the scalp for longer.
—Angelina Villa-Clarke, Forbes.com, 27 June 2025
Rapid weight loss can trigger telogen effluvium, a temporary condition where bodily stress pushes hair from the growth phase to the resting phase.
—Claire Bugos, Verywell Health, 13 May 2025
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New Atlas, 29 Oct. 2025
People with telogen effluvium often notice thinning, breakage, and increased shedding on their pillowcases and hair brushes.6
Thyroid Hormones
The thyroid gland in your neck helps produce hormones that regulate heart rate, mood, digestion, and breathing.
—Carley Millhone, Health, 4 Aug. 2025
Both the catagen and telogen phases of the hair cycle (where the hair shaft is released from the scalp) are reduced and, simply put, stay attached to the scalp for longer.
—Angelina Villa-Clarke, Forbes.com, 27 June 2025
Rapid weight loss can trigger telogen effluvium, a temporary condition where bodily stress pushes hair from the growth phase to the resting phase.
—Claire Bugos, Verywell Health, 13 May 2025
See All Example Sentences for telogen
Cite this Entry
“Telogen.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/telogen. Accessed 4 Nov. 2025.
Copy CitationMedical Definition
telogen
noun
te·lo·gen
ˈtē-lə-ˌjen
: 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
Julianne DunphyThe 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
Jane E. BrodyLove words? Need even more definitions?
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