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15 terms

quiz 3: integumentary system

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the two basic tissues of which the skin is composed are dense irregular connective tissue, which makes up the..
dermis and connective epithelium
the tough water-repellent protein found in the epidermal cells is called
keratin
the pigments melanin and ____ contribute to skin color
Carotene
a localized concentration of melanin is referred to as a
freckle
what are four protective functions of the skin
1)Protection from physical objects
2) Temperature Regulation
3) Immunity
4) Sensation
What produces an accumulation of oily material that is known as a blackhead?
sebaceous glands
Tiny muscles attached to hair follicles that pull the hair upright during fright of cold are called what?
arrector pili
perspiration glands with a role in temperature control
sweat gland- eccrine
Sheath formed in both epithelial and connective tissues?
hair follicle
less numerous type of perspiration-producing gland; found mainly in the pubic and axillary regions
sweat gland- apocrine
Found everywhere on body except palms of hands and soles of feet?
hair
primarily dead/keratinized cells
nail and hair
Nerve endings that respond to temperature and touch?
cutaneous receptors
secretes a lubricant for hair and skin
sweat gland- apocrine
Sports a lunula and a cuticle?
nail