Definition: A short transition stage that occurs at the end of the anagen phase. It signals the end of the active growth of a hair. This phase lasts for about 2 to 3 weeks while a club hair is formed.
Pronunciation: KAT-uh-jin
Catagen Phase
By Heather Brannon, MD, About.com Guide
Updated: September 10, 2007
About.com Health's Disease and Condition content is reviewed by the Medical Review Board
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