This shows you the differences between two versions of the page.
glossary:hair_follicle [2012/10/16 14:40] (current)
|Line 1:||Line 1:|
|+||Sac from which a hair grows and into which the sebaceous (oil) glands open. The follicle is lined by cells derived from the epidermal (outside) layer of the skin.|
|+||Each follicle normally goes through a five-year cycle of growth and rest, with about 90% of the follicles growing hair at any one time, averaging about six inches (15 cm) of growth per year. Derived from the Latin word follis, for bag.|