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The cyclical phases of growth (anagen), regression (catagen), quiescence (telogen), and shedding (exogen) in the life of a hair; one of the collection or mass of filaments growing from the skin of an animal, and forming a covering for a part of the head or for any part or the whole of the body. A developmental process, independent of morphogenetic (shape) change, that is required for an anatomical structure to attain its fully functional state. A developmental process, independent of morphogenetic (shape) change, that is required for a hair follicle to attain its fully functional state. Any process that stops, prevents or reduces the frequency, rate or extent of catagen, the regression phase of the hair cycle. The process whose specific outcome is the progression of the hair follicle over time, from its formation to the mature structure. A hair follicle is a tube-like opening in the epidermis where the hair shaft develops and into which the sebaceous glands open. Any process that modulates the frequency, rate or extent of catagen, the regression phase of the hair cycle. A multicellular organismal process involved in the periodic casting off and regeneration of an outer covering of cuticle, feathers, hair, horns, skin. Any process that activates or increases the frequency, rate or extent of catagen, the regression phase of the hair cycle. A multicellular organismal process involved in the cyclical phases of growth (anagen), regression (catagen), quiescence (telogen), and shedding (exogen) in the life of a hair; one of the collection or mass of filaments growing from the skin of an animal, and forming a covering for a part of the head or for any part or the whole of the body. The regression phase of the hair cycle during which cell proliferation ceases, the hair follicle shortens, and an anchored club hair is produced.

View Gene Ontology (GO) Term

GO TERM SUMMARY
Name: catagen
Acc: GO:0042637
Aspect: Biological Process
Desc: The regression phase of the hair cycle during which cell proliferation ceases, the hair follicle shortens, and an anchored club hair is produced.
Synonyms:
  • hair regression
Proteins in PDR annotated with:
   This term: 6 [Search]
   Term or descendants: 6 [Search]


[geneontology.org]
INTERACTIVE GO GRAPH

GO:0042637 - catagen (interactive image map)
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