Integumentary System (Identify)
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Melanocytes
cells that produce melanin
Sebaceous glands (oil glands)
(oil glands) usually open onto hair follicles, produces sebum
arrector pili muscle
An involuntary muscle fiber attached to the underside & base of the hair follicle
Hypodermis (subcutaneous layer)
Deep to the dermis; not technically part of the skin; made of adipose tissue; helps insulate
dermis
Inner layer of skin
Epidermis
Outer layer of skin
Keratinocytes
The most abundant epidermal cells, they function mainly to produce keratin.
hair
outgrowth of the skin composed of keratin
hair follicle
sac within which each hair grows
sudoriferous (sweat) glands
tiny, coiled, tubular structures that emerge through pores on the skin's surface and secrete sweat
