Skin
Hair
Nails
Glands and Dermis Stuff
Miscellaneous
100
Skin, Hair, Nails, Sensory Receptors, and Glands
What are the organs and structures associated with the integumentary system?
100
It is a tubelike depression from which a hair develops
What is a hair follicle?
100
a hard, waterproofing protein material found in the epidermis, hair, and nails. The epithelial cells make it as they die.
What is keratin?
100
Another name for oil glands
What are sebaceous glands?
100
What two proteins make skin elastic?
collagen and elastin
200
The main layers of the skin
What are the epidermis and dermis?
200
tiny muscle fibers attached to the hair follicles that cause the hair to stand erect when you are cold or frightened; responsible for "goosebumps"
What is the arrestor pili muscle?
200
The portion of the living skin on which the nail plate sits (the pink part under your nail).
What is the nail bed?
200
oily substance secreted by sebaceous glands
What is sebum?
200
How wrinkles form
-loss of elasticity
-thinning skin
-lack of moisture
300
What is adipose tissue and where is it found?
Tissue that is made up of fat cells; found in the hypodermis/subcutaneous layer underneath the skin
300
the hard part of the nail
What is the nail plate?
300
sebaceous glands are almost always found next to...?
What is a hair follicle?
300
Why do old skin, hair, and nail cells die?
The older cells produce a lot of keratin and lose access to the blood supply as they are pushed out. Because of these changes, they die.
400
stores fats, insulates and cushions the body, and regulates temperature
What is the subcutaneous layer?
400
It's a band of epidermis at the base and sides of the nail plate
What is the cuticle of the nail?
400
The glands that secrete sweat, located in the dermal layer of the skin.
What are sudoriferous glands?
400
Cells that produce the epidermis and line the internal surfaces of organs.
What are epithelial cells?
500
Another name for the subcutaneous layer
What is the hypodermis?
500
What is the lunula?
500
helps you cool off when you get too hot through evaporation
What is sweat?
500
The layer of the epidermis that is primarily found in the palms of hands and soles of feet
What is the stratum lucidum?
600
Prevents water loss
Protection
Makes vitamin D3
Regulation of temperature
Excretes wastes
What are the functions of the skin?
600
The layer of the dermis that supplies nutrients to the epidermis
What is the papillary layer?
600
It's a condition resulting from exposure to heat and excessive loss of fluid through sweating. Symptoms include:
heavy sweating
pale skin
muscle cramps, tiredness
weakness
dizziness
headache
nausea/vomiting
fainting
What is heat exhaustion?
700
It's the inner layer of the skin; it contains many glands and hair follicles. It nourishes the epidermis and provides strength through connective tissue.
What is the dermis?
700
a condition caused by failure of the body's temperature-regulating mechanism when exposed to excessively high temperatures.
Symptoms can include:
fever
unconsciousness
tachycardia
hot, red, dry skin
What is heat stroke?
800
The protective layer of your skin. It protects you from germs and protects all the layers beneath it.
Most of the cells in this layer are dead.
What is the epidermis?
800
The five ways which the body loses heat
What are conduction, convection, evaporation, radiation, and respiration?
900
It protects the skin by absorbing ultraviolet radiation in sunlight, preventing it from causing mutations in DNA of the skin cells.
What is melanin?
900
The one thing identical twins do not share and why
What are fingerprints? Because as they move and press their forming ridges against the uterine wall the print changes slightly; and since no two fetuses move the in exact same way, they fingerprints will be different.
1000
It's a person or animal with skin deficient in pigment (melanin)
What is an albino?
1000
The avasular layer of skin
What is the epidermis?
1100
How is the sun bad for your skin?
The sun also produces a kind of very high-energy light called ultraviolet light (UV light). You cannot see this light, but it has so much energy that it can actually kill skin cells. It can also damage the DNA of a cell's nucleus, which can result in skin cancer.
1100
These are the four stages of wound healing
What are hemostasis, inflammation, proliferation, and remodeling?
1200
How is the sun good for your skin?
Your skin uses certain rays from the sun to process vitamin D into a form that your body can use. We need about 15-20 minutes a day of sun exposure to provide the right amount of vitamin D.
1200
The regulation of this is important because even slight shifts can disrupt the rate of metabolic reactions
What is body temperature regulation?