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A dermatologist is a physician who specializes in diseases and disorders of the skin, hair and nails.
Briefly describe healthy skin
Healthy skin should be free of any visible signs of disease, infection or injury. Slightly moist, soft and flexible. Smooth, fine-grained texture. Slightly acidic.
Name the two main divisions of the skin and the layers within each division:
Epidermis: stratum corneum, stratum lucidum, stratum granulosum, stratum spinosum, stratum germinativum
Dermis: papillary layer, reticular layer
List the three types of nerve fibers found in the skin:
Motor Nerve Fibers
Sensory Nerve Fibers
Secretory Nerve Fibers
What are collagen and elastin?
Collagen: Fibrous protein that gives the skin form and strength
Elastin: Protein base similar to collagen that forms elastic tissue.
Explain how collagen and elastin can be weakened
Age, lack of moisture, UV light, changes in weight, gravity
Name the two types of glands contained within the skin and describe their functions:
Sudoriferous: sweat glands excrete perspiration and detoxify the body by excreting excess salt and unwanted chemicals.
Sebaceous: oil glands secrete sebum, a fatty or oily substance that lubricates the skin and preserves the softness of hair.
protection, sensation, heat regulation, excretion, secretion, absorption
Protection, Excretion, Secretion, Sensation, Heat regulation, Absorption
What are the six classes of nutrients that the body needs and how are they obtained?
Fats, Carbohydrates, Protein, Vitamins, Minerals and Water
What are the five basic food groups? Acronym: FV, MG, MB
Fruits, Vegetables, Milk, Grains, Meat & Beans
What is the one essential item that no person can live without? Why is it essential to the skin and body?
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