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38 Cards in this Set

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How much skin does an average adult have?
about 22 square feet.
Nerves in the skin do what?
carry impulses
Name 2 ways that skin eliminates waste.
1)through perspiration
2)and pores (sebaceous and sweat glands)
saccular
resembling a sac
Skin aides in the production of ____ __ via sunlight or ultraviolet radiation exposure.
vitamin D
Does skin repair itself when damaged?
yes
Name the 3 layers of the skin.
1)epidermis
2)dermis or corium
3)subcutaneous layer
What do melanocytes contain?
melanin
melanin
any of various black, dark brown, reddish brown, or yellow pigments of animal or plant structures (as skin, hair, the choroid, or a raw potato when exposed to air)
Name the layer of skin that is a true skin layer with nerve endings,providing sense of touch, heat and cold?
dermis or corium
epidermis
thin, outermost, cellular membrane layer (one of the three layers of skin)
In what layer of skin are lipocytes found?
subcutaneous layer
What is the outer covering of the body called?
skin
Blood vessels in the skin do what?
aid in the regulation of body temperature
sebum
fatty lubricant matter secreted by sebaceous glands of the skin
What is the integumentary system?
The skin and its accessory organs (hair,nails and glands)
What is the largest organ in the human body?
skin
sebaceous
secreting sebum
Nerve fibers under the skin act as a receptor for what (4)?
1)pain
2)temperature
3)pressure
4)touch
Skin protects the body against ______ and ______ change.
dehydration and temperature change
subcutaneous layer
thick, fat-containing underlying tissue (one of the three layers of the skin)
Dermis (corium)
dense, fibrous, connective tissue layer (one of the three layers of skin)
basal layer
Deepest layer of the epidermis.
What does integument mean?
covering
What does skin contain?
1)glands
2)nerves
3)blood vessels
Skin provides a protective barrier against what?
bacteria
What is the weight of an average adult's skin?
8-10 lbs.
Glands in the skin secrete what?
fluids
Skin aides in the elimination of what?
waste
sebaceous gland
any of the small sacculated glands lodged in the substance of the derma, usually opening into the hair follicles, and secreting an oily or greasy material composed in great part of fat which softens and lubricates the hair and skin
Skin provides a ______,____ ____ covering.
1)waterproof
2)germ-resistant
Supple characteristic allows for ______ and ______ while covering the body.
movement and stretching
The basal layer of the epidermis contains what protein and cells?
1)protein--keratin
2)cells--melanocytes
What does melanin do?
gives color to the skin
melanocytes
- cells present in the epidermis that produce melanin (skin pigment).
What is found in the dermis (or corium) layer of the skin (5)
1)blood vessels
2)nerve fibers
3)sweat glands
4)sebaceous glands
5)hair follicles
lipocytes
fat storing cell
Name 2 things that the lipocytes of the subcutaneous layer of skin do.
1)connects dermis to muscle and organs below it
2)acts as heating insulator