A hair follicle is a mammalian skin organ that produces hair. Hair production occurs in phases, including a growth phase (anagen), and cessation phase (catagen), and a rest phase (telogen). Stem cells are principally responsible for the production of hair.
Read more about Hair Follicle: Morphogenesis, Hair-follicle Cycling, Hair Follicles in Hair Restoration, Additional Images
Famous quotes containing the word hair:
“Sadie: How’d you get him here? He was out stiff.
Jack: Hair of the dog that bit him.
Sadie: Hair? He must have swallowed the dog.”
—Robert Rossen (1908–1966)
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