http://linkedlifedata.com/r... | skos:definition | "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." [GOC:go_curators, PMID:12230507] | lld:geneontology |