Definition of telogen in English:

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Pronunciation: /ˈtɛlə(ʊ)dʒ(ə)n/
Pronunciation: /ˈtiːlə(ʊ)dʒ(ə)n/


[mass noun] Physiology
The resting phase of a hair follicle. Often contrasted with anagen.
Example sentences
  • Hair grows in cycles: anagen is the growth phase; catagen is the transition phase; and telogen is the resting phase.
  • This test produces a trichogram to assess the telogen: anagen ratio but is rarely needed for clinical diagnosis of hair loss.
  • In people who have telogen effluvium, a larger than normal number of hair follicles become inactive.


1920s: from Greek telos 'end' + -gen.

For editors and proofreaders

Line breaks: telo|gen

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