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Glossary of Terms
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This page contains a glossary of commonly used terms in hair restoration.
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Dermal papilla
The dermal papilla is situated at the base of the hair follicle. The dermal papilla contains nerves and blood vessels which supply glucose for energy and amino acids to make keratin.
DHT
(5-alpha dihydrotestosterone)
DHT is a male hormone that is suggested to be the main cause for the miniaturization of the hair follicle and subsequent hair loss. DHT is formed from the male hormone testosterone by the enzyme 5-alpha-reductase.
Donor Site
Site where hair follicles are harvested during transplant surgery
Dutasteride
Dutasteride is a medication for the treatment of benign prostatic hyperplasia (BPH). It is an inhibitor of type 1 and type 2 5-alpha-reductase, the enzymes responsible for converting testosterone to DHT.
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