Hair follicles are one of the few immunoprivileged parts of the body -- that is, they are protected from the immune system so the body doesn't treat them as foreign and attack them. Researchers ...

During anagen, the hair follicle will produce a new shaft–the part of the follicle that pokes above the skin. “The anagen phase, where hair actively grows, is significantly longer for head ...

In Part I of the review (July/August 2004), the anatomy of hair follicles, the diagnostic approach to diseases leading to hair loss, and nonscarring alopecias were discussed. In this article (Part ...

Alopecia is an autoimmune disorder that causes non-scarring hair loss on the scalp and body that is experienced by almost 2% ...

Hair serves an important cosmetic function for humans, and the hair follicle produces sweat gland products that help to control body temperature and release pheromones 3. Billions of people ...

Hair loss affects millions of Americans, often causing significant emotional distress and impacting self-confidence. While many consider it an inevitable part ...

Typical are so-called hair tufts, where multiple hair shafts emerge from one dilated follicle opening. This is caused by fibrosis of adjacent follicular units and retention of telogen hairs within ...