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Flashcards in Chapter 10 Deck (55)
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1

Protective barrier of the epidermis; the corneum and intercellular matrix protect the surface from irritation and dehydration.

barrier function

2

Lipid substances between corneum cells that protect the cells from water loss and irritation

intercellular matrix

3

Abbreviated EGF; stimulates cells to reproduce and heal.

epidermal growth factor

4

Cells that stimulate cells, collagen, and amino acids that form proteins

fibroblasts.

5

Small, involuntary muscles in the base of the hair follicle that cause goose flesh when the appendage contracts, sometimes called goose bumps and papillae.

arrector pili muscle

6

Guard cells of the immune system that sense unrecognized foreign invaders, such as bacteria, and then process these antigens for removal through the lymph system.

Langerhans immune cells

7

Oil that provides protection for the epidermis from external factors and lubricates both the skin and hair.

sebum

8

Fibrous protein of cells that is also the principal component of skin, hair, and nails; provides resiliency and protection.

keratin

9

Outermost layer of skin; a thin, protective layer with many cells, mechanisms and nerve endings. It is made up of five layers: stratum corneum, stratum lucidum, stratum granulosum, stratum spinosum, and stratum germinativum.

epidermis

10

Chronic condition that appears primarily on the cheeks and nose and is characterized by flushing (redness), telangiectasis (distended or dilated surface blood vessels), and, in some cases, the formation of papules and pustules.

rosacea

11

Capillaries that have been damaged and are now larger, or distended blood vessels; commonly called couperose skin.

telangiectasia

12

Coiled structures attached to hair follicles found in the underarm and genital areas that secrete sweat.

apocrine glands

13

Sweat glands found all over the body with openings on the skin’s surface through pores; not attached to hair follicles, secretions do not produce an offensive odor.

eccrine glands

14

Also called derma, corium, cutis, or true skin; support layer of connective tissue, collagen, and elastin below the epidermis.

dermis layer

15

Also known as hypodermis; subcutaneous adipose (fat) tissue located beneath the dermis; a protective cushion and energy storage for the body.

subcutaneous layer

16

Deeper layer of the dermis containing proteins, collagen, and elastin that give the skin its strength and elasticity.

reticular layer

17

Top layer of the dermis next to the epidermis.

papillary layer

18

Also known as horny layer; outermost layer of the epidermis, composed of corneocytes

There are 15 to 20 layers in this layer

stratum corneum

19

Clear, transparent layer of the epidermis under the stratum corneum; thickest on the palms of hands and soles of feet.

stratum lucidum

20

Also known as granular layer; layer of the epidermis composed of cells filled with keratin that resemble granules; replace cells shed from the stratum corneum.

stratum granulosum

21

Also known as spiny layer; layer of the epidermis above the stratum germinativum layer containing desmosomes, the intercellular connections made of proteins.

stratum spinosum

22

Also known as basal cell layer; active layer of the epidermis above the papillary layer of the dermis; cell mitosis takes place here that produces new epidermal skin cells and is responsible for growth.

stratum germinativum

23

White blood cells that have enzymes to digest and kill bacteria and parasites. These white blood cells also respond to allergies.

leukocytes

24

Protein fiber found in the dermis; gives skin its elasticity and firmness.

elastin

25

Glycolipid materials that are a natural part of skin’s intercellular matrix and barrier function.

ceramides

26

Caused by an elevation in blood sugar, glycation is the binding of a protein molecule to a glucose molecule resulting in the formation of damaged, nonfunctioning structures, known as Advanced Glycation End products( a.k.a. AGES). Glycation alters protein structures and decreases biological activity.

glycation

27

The protective barrier made up of sebum, lipids, sweat, and water.

Acid mantle

28

Tube like openings for sweat glands on epidermis

Pores

29

Fatty tissue found below the dermis that gives smoothness and contour to the body., contains fat for use of energy, and also acts as a protective cushion for the outer skin.

Adipose tissue

30

Creative oxidants that search the body for other electrons that will allow them to become stable, neutral molecules again.

Free radicals