Hair & Scalp Sciences第 57 / 100 题
The part of the hair that projects above the surface of the skin is the:
a.Follicle
b.Hair shaft
c.Papilla
d.Bulb
解析
The hair shaft is the portion of hair extending above the scalp, while the hair root is the portion below the surface within the follicle. The shaft is composed of nonliving keratinized cells.
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