Chapter 10-Physiology & Histology Of The Skin

Front 1

Apocrine glands

Back 1

Coiled structures attached to hair follicles found in the underarm and genital areas attector

Front 2

Arrector pili muscle

Back 2

Small, involuntary muscles in the base of the hair follicle that causes goose bumps

Front 3

Barrier Function

Back 3

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

Front 4

Ceramides

Back 4

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

Front 5

Collagen

Back 5

Fibrous, connective tissue made from protein; found in the reticular layer of the dermis; gives skin its firmness.

Front 6

Corneocytes

Back 6

Stratum corneum cell; hardened, water-proof, protective keratinocytes; dead protein cells, dried out and lack nuclei.

Front 7

Dermal Papillae

Back 7

Membranes of ridges and grooves that attach to the epidermis; contains nerve endings and supplies nourishment through capillaries to skin and follicles.

Front 8

Dermis

Back 8

Support layer of connective tissue, collagen, and elastin below the epidermis.

Front 9

Desmosomes

Back 9

Structures that assist in holding cells together; intercellular connections made of proteins.

Front 10

Eccrine glands

Back 10

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

Front 11

Elastin

Back 11

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

Front 12

Elastin

Back 12

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

Front 13

Epidermal Growth Factor

Back 13

EGF; stimulates cells to reproduce and heal.

Front 14

Epidermis

Back 14

Outermost layer of skin; thin, protective layer with many cells, mechanisms and nerve endings. 5 layers: stratum corneum, stratum lucidum, stratum granulosm, stratum spinosum and stratum germinativum.

Front 15

Eumelanin

Back 15

Type of melanin that is dark brown-black on color.

Front 16

Fibroblast

Back 16

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

Front 17

Follicles

Back 17

Hair follicles and sebaceous follicles are tubelike openings in the epidermis

Front 18

Glycation

Back 18

Caused by an elevation in blood sugar, location is the binding of a protein molecule to a glucose molecule

Front 19

Hair papillae

Back 19

Cone shaped elevations at the base of the focal that fit into the hair bulb.

Front 20

Hair papillae

Back 20

Cone shaped elevations at the base of the focal that fit into the hair bulb.

Front 21

Hyaluronic acid

Back 21

Hydrating fluids found in the skin, hydrophilic agent with water-binding properties

Front 22

Hydrolipidic

Back 22

Hydrolipidic film is an oil water balance that protects the skins surface

Front 23

Intercellular matrix

Back 23

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

Front 24

Intercellular matrix

Back 24

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

Front 25

Keratin

Back 25

Fibrous proteins of cells that is also the principal component of skin, hair, and nails. Provides resiliency and protection.

Front 26

Keratinocytes

Back 26

Epidermal cells composed of keratin, lipids, and other proteins

Front 27

Leukocytes

Back 27

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

Front 28

Lymph vessels

Back 28

Located in the dermis, supply nourishment within the skin and remove waste.

Front 29

Lymph vessels

Back 29

Located in the dermis, supply nourishment within the skin and remove waste.

Front 30

Melanin

Back 30

Tiny grains of pigment that are produced by melanocytes and deposited into cells in the stratum germinativum layer of epidermis. Protein that determines hair, eye, and skin color.

Front 31

Melanocytes

Back 31

Cells are produced skin pigment granules in the basal layer.

Front 32

Melanocytes

Back 32

Cells are produced skin pigment granules in the basal layer.

Front 33

Melanosomes

Back 33

Pigment caring granules that produce melanin, a complex protein.

Front 34

Melanocytes

Back 34

Cells are produced skin pigment granules in the basal layer.

Front 35

Melanosomes

Back 35

Pigment caring granules that produce melanin, a complex protein.

Front 36

Papillary layer

Back 36

Top layer of the dermis next to the epidermis.

Front 37

Melanocytes

Back 37

Cells are produced skin pigment granules in the basal layer.

Front 38

Melanosomes

Back 38

Pigment caring granules that produce melanin, a complex protein.

Front 39

Papillary layer

Back 39

Top layer of the dermis next to the epidermis.

Front 40

Pheomelanin

Back 40

Type of melanin that is red and yellow in color. Two types of mountain, other is a eumelanin.

Front 41

Melanocytes

Back 41

Cells are produced skin pigment granules in the basal layer.

Front 42

Melanosomes

Back 42

Pigment caring granules that produce melanin, a complex protein.

Front 43

Papillary layer

Back 43

Top layer of the dermis next to the epidermis.

Front 44

Pheomelanin

Back 44

Type of melanin that is red and yellow in color. Two types of mountain, other is a eumelanin.

Front 45

Pores

Back 45

Tube like opening for sweat glands on the epidermis

Front 46

Melanocytes

Back 46

Cells are produced skin pigment granules in the basal layer.

Front 47

Melanosomes

Back 47

Pigment caring granules that produce melanin, a complex protein.

Front 48

Papillary layer

Back 48

Top layer of the dermis next to the epidermis.

Front 49

Pheomelanin

Back 49

Type of melanin that is red and yellow in color. Two types of mountain, other is a eumelanin.

Front 50

Pores

Back 50

Tube like opening for sweat glands on the epidermis

Front 51

Reticular layer

Back 51

Deeper layer of dermis, supply skin with oxygen and nutrients.

Front 52

Melanocytes

Back 52

Cells are produced skin pigment granules in the basal layer.

Front 53

Melanosomes

Back 53

Pigment caring granules that produce melanin, a complex protein.

Front 54

Papillary layer

Back 54

Top layer of the dermis next to the epidermis.

Front 55

Pheomelanin

Back 55

Type of melanin that is red and yellow in color. Two types of mountain, other is a eumelanin.

Front 56

Pores

Back 56

Tube like opening for sweat glands on the epidermis

Front 57

Reticular layer

Back 57

Deeper layer of dermis, supply skin with oxygen and nutrients.

Front 58

Rosacea

Back 58

Chronic condition that appears on cheeks and nose, flushing redness.

Front 59

Melanocytes

Back 59

Cells are produced skin pigment granules in the basal layer.

Front 60

Melanosomes

Back 60

Pigment caring granules that produce melanin, a complex protein.

Front 61

Papillary layer

Back 61

Top layer of the dermis next to the epidermis.

Front 62

Pheomelanin

Back 62

Type of melanin that is red and yellow in color. Two types of mountain, other is a eumelanin.

Front 63

Pores

Back 63

Tube like opening for sweat glands on the epidermis

Front 64

Reticular layer

Back 64

Deeper layer of dermis, supply skin with oxygen and nutrients.

Front 65

Rosacea

Back 65

Chronic condition that appears on cheeks and nose, flushing redness.

Front 66

Sebaceous glands

Back 66

Oil glands, protect surface of the skin

Front 67

Melanocytes

Back 67

Cells are produced skin pigment granules in the basal layer.

Front 68

Melanosomes

Back 68

Pigment caring granules that produce melanin, a complex protein.

Front 69

Papillary layer

Back 69

Top layer of the dermis next to the epidermis.

Front 70

Pheomelanin

Back 70

Type of melanin that is red and yellow in color. Two types of mountain, other is a eumelanin.

Front 71

Pores

Back 71

Tube like opening for sweat glands on the epidermis

Front 72

Reticular layer

Back 72

Deeper layer of dermis, supply skin with oxygen and nutrients.

Front 73

Rosacea

Back 73

Chronic condition that appears on cheeks and nose, flushing redness.

Front 74

Sebaceous glands

Back 74

Oil glands, protect surface of the skin

Front 75

Sebum

Back 75

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

Front 76

Stratum corneum

Back 76

Horny layer, outermost layer of the epidermis, composed of corneocytes.

Front 77

Subcutis tissue

Back 77

Fatty tissue found below the dermis that gives smoothness and Contor to the body, contains fat for use as energy.

Front 78

T-cells

Back 78

Identify molecules that have foreign peptides and also help regulate immune response

Front 79

UVA radiation

Back 79

Aging rays

Front 80

UVB

Back 80

Burning rays

Front 81

Tyrosinase

Back 81

Enzyme that stimulates melanocytes and thus produces melanin