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Skin Structure, Growth and Nutruition

Define Dermatology

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

Can skin be nourished with cosmetic products

No, it must have nourishment from foods that we eat

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?
Acronym: FCP-VMW

Fats, Carbohydrates, Protein, Vitamins, Minerals and Water

What are the five basic food groups? Acronym: FV, MG, MB

Fruits, Vegetables, Milk, Grains, Meat & Beans

Name four vitamins that can help the skin and describe how they help:

Vitamins A, C, D, E

How does vitamin A help the skin

improve the skin's elasticity & thickness

How does vitamin C help the skin

Fights aging and promotes the production of collagen

How does vitamin D help the skin

Promotes rapid healing of skin

How does vitamin E help the skin

Provides protection from UV light

What is the one essential item that no person can live without? Why is it essential to the skin and body?


How is water essential to the skin

assists in eliminating toxins and waste, aids in proper digestion, regulates temperature,

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