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What is the role of the epidermis in the skin?
The epidermis acts as a barrier to protect the body from environmental damage.
What is the primary function of the dermis?
The dermis provides strength and elasticity to the skin through collagen and elastin fibers.
What does 'seb/o' refer to in medical terminology?
Seb/o refers to sebum or oil.
What is the function of sweat glands?
Sweat glands help regulate body temperature and excrete waste through perspiration.
What is the function of melanocytes?
Melanocytes produce melanin, which gives skin its color and protects against UV radiation.
What is the function of the subcutaneous layer?
The subcutaneous layer provides insulation, absorbs shock, and serves as an energy reserve.
What role do keratinocytes play in the skin?
Keratinocytes produce keratin, a protein that helps protect the skin and create a barrier.
What is the purpose of the dermal papillae?
Dermal papillae increase the surface area between the dermis and epidermis, enhancing nutrient exchange.
What are the effects of UV radiation on the skin?
UV radiation can damage skin cells, leading to premature aging and increasing the risk of skin cancer.
What is the significance of the stratum corneum?
The stratum corneum is the outermost layer of the epidermis, providing the primary barrier against environmental damage.
How does the body regulate temperature through the skin?
The body regulates temperature through vasodilation, sweating, and changes in blood flow to the skin.
What substances do sweat glands excrete besides water?
Sweat glands excrete electrolytes, urea, and other metabolic waste products.
What is the function of Langerhans cells?
Langerhans cells are immune cells in the skin that help detect pathogens and initiate immune responses.
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