Examlex
Multiply the radical expressions.
Keratinocytes
Cells that make up the majority of the epidermis, producing keratin to help form a protective barrier for the skin.
Melanin
A pigment found in the skin, hair, and eyes that gives them color and offers protection against ultraviolet radiation.
Arrector Pili
Small muscles attached to hair follicles in mammals, contraction of which causes the hair to stand upright, producing goosebumps.
Hair Follicle
The skin organ that produces hair, consisting of a shaft, root, and bulb, and is connected to sebaceous glands.
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