exogen

noun

ex·​o·​gen ˈek-sə-ˌjen 

: the phase of the hair growth cycle that follows telogen and precedes anagen and during which the hair shaft is released from the hair follicle and is shed from the body

Word History

Etymology

exo- + -gen (in anagen, telogen)

First Known Use

1998, in the meaning defined above

Medical Definition

exogen

noun

ex·​o·​gen ˈek-sə-ˌjen 

: the phase of the hair growth cycle that follows telogen and precedes anagen and during which the hair shaft is released from the hair follicle and is shed from the body