Understanding Hair Transplants and Hair Loss - Pacific Hair

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Understanding Hair Transplants and Hair Loss - Pacific Hair

Epidermis

Sebaceous gland

Arrector pili

muscle

Anatomy of the

Hair Follicle and

Follicular Unit

Hair shaft

The hair follicle is a complex but small organ, which contains nerve fibers and blood

vessels around the actual hair follicle. (fig. 2) About 80% of hair follicles are paired (or

come in clusters of two) . The rest are either singles, triples or an occasional quad . These

clusters are called follicular units because they share a common blood and nerve supply

. When doing hair transplantation and dissecting the donor area, it is important not to

cut these follicular units apart because this generally results in miniaturized transplanted

hairs rather than the full-sized hairs that are desired .

U n d e r s t a n d i n g H a i r T r a n s p l a n t s a n d H a i r L o s s

Hair Bulb

Figure #2

13

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