Hair & Scalp Sciences第 60 / 100 题
The small, cone-shaped structure at the base of the follicle that supplies nourishment for hair growth is the:
a.Cuticle
b.Medulla
c.Dermal papilla
d.Arrector pili
解析
The dermal papilla contains the blood supply and nerves that feed the growing hair bulb. Because it is living tissue, damage to the papilla can affect hair growth.
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