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:
“Your hair may be brushed, but your mind’s untidy,
You’ve had about seven hours’ sleep since Friday,
No wonder you feel that lost sensation;
You’re sunk from a riot of relaxation.”
—Ogden Nash (1902–1971)