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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. The growth phase of the hair cycle. Lasts, for example, about 3 to 6 years for human scalp hair. The periodic casting off and regeneration of an outer covering of cuticle, feathers, hair, horns, skin, etc. A developmental process, independent of morphogenetic (shape) change, that is required for a hair follicle to attain its fully functional state. The resting phase of 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. The shedding 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. The regression phase of the hair cycle during which cell proliferation ceases, the hair follicle shortens, and an anchored club hair is produced. The process by which the anatomical structures of the hair follicle are generated and organized. 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.

View Gene Ontology (GO) Term

GO TERM SUMMARY

Name: hair cycle process
Acc: GO:0022405
Aspect: Biological Process
Desc: 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.
Proteins in PDR annotated with:
   This term: 3 [Search]
   Term or descendants: 82 [Search]


[geneontology.org]
INTERACTIVE GO GRAPH

GO:0022405 - hair cycle process (interactive image map)

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