Anatomy/physiology-Integumentary System

Front 1

ectoderm

Back 1

outer developmental layer of skin

Front 2

ABCD

Back 2

examination of pigmented areas, test for cancerous pigments

Front 3

elastin

Back 3

yellow fibers, gives matrix its rubbery quality(stretchability)

Front 4

covering

Back 4

main function of IS

Front 5

striae

Back 5

stretch marks, due to extreme stretching of the skin which tears the dermis; also called white scars

Front 6

Albinism

Back 6

inherited condition reflecting an inability of melanocytes to synthesize melanin

Front 7

pallor

Back 7

blanching; paling of the skin

Front 8

squamous cell carcinoma

Back 8

cells of stratum spinosum develop lesions; metastasizes to the lymph nodes

Front 9

allopecia

Back 9

baldness

Front 10

root

Back 10

part of the hair that is embedded in the skin

Front 11

cyanosis

Back 11

bluish tint of Caucasians when hemoglobin is poorly oxgynated

Front 12

jaundice

Back 12

yellow cast to the skin

Front 13

stratum spinosum

Back 13

"spiny" layer, contains prickle cells, tonofilaments, Lnagerhan's cells
Second deepest layer of the epidermal layer

Front 14

benign

Back 14

not cancerous

Front 15

lines of cleavage

Back 15

tension lines

Front 16

vitiligo

Back 16

an abnormality of skin pigmentation characterized by a loss and uneven dispersal of melanin(Michael Jackson's disease)

Front 17

melanin

Back 17

provides the skin color of Blacks and Hispanics

Front 18

mesoderm

Back 18

middle developmental layer of skin

Front 19

stratum granulosum

Back 19

"granular" layer; contains keratohyalin(granules), Langerhan's cells

Front 20

shaft

Back 20

part of the hair that projects from the skin; determines the overall shape of hair

Front 21

dermis

Back 21

layer of the skin deep to the epidermis; composed of dense irregular connnective tissue

Front 22

malignant melanoma

Back 22

rare but deadly cancer of the pigment producing cells

Front 23

basal cell carcinoma

Back 23

cells of the lowest level of the epidermis invade the dermis and hypodermis; exposed area develop ulcers; show to metastisize(grow)

Front 24

first degree burn

Back 24

partial thickness burn; affects only the epidermis
redness, pain, swelling, 2-3

Front 25

erythema

Back 25

redness,

Front 26

endoderm

Back 26

inner developmental layer of skin, subcutaneous tissue

Front 27

wrinkles

Back 27

appear when dermis elasticity declines from age or excessive sun exposure

Front 28

dermal papillae

Back 28

fingerprints, projection of the superioir surface that protrude into or indent the epidermis above

Front 29

burn

Back 29

tissue damage to the skin which denatures cell proteins and causes cell death in affected areas

Front 30

integumentary system

Back 30

includes those structures whose primary function is to cover and protect

Front 31

hirsutism

Back 31

excessive hairiness

Front 32

collagen

Back 32

white fibers, provide high tensile strngth(maximum stress that a material can withstand before it breaks)

Front 33

epidermis

Back 33

surface coat of the skin; superficial layer of the skin; composed of keratinized stratified squamous epithelial tissue

Front 34

hematomas

Back 34

another name for bruises , blue or black marks,

Front 35

skin

Back 35

composed of the dermis and the epidermis

Front 36

melanocytes

Back 36

specialized epithelial cells which synthesize melanin, (dark pigment which iparts color to the skin and hair)

Front 37

carotene

Back 37

provides the skin color of Orientals

Front 38

malignant

Back 38

cancerous

Front 39

stratum basale

Back 39

"basal layer" deepest epidermal layer; contains Merkel's cells, and melanocytes

Front 40

prickle cells

Back 40

keratinocytes which contain minute spinelike projections connecting them to other cells of the layer

Front 41

stratum lucidum

Back 41

2nd outermost layer of epidermis, "clear layer", does not always appear

Front 42

2nd degree burn

Back 42

partial thickness burn; affects the epidermis and upper regions of the dermis

Front 43

flexure lines

Back 43

dermal modifications resulting when the dermis is secured to deeper structures by the hypodermis

Front 44

stratum germinativum

Back 44

"growing layer" consists of strautm basale and stratum spinosum which generate epidermal GROWTH AND RENEWAL

Front 45

3rd degree burn

Back 45

full thickness burn; affects the epidermis and dermis

Front 46

keratin

Back 46

water-insoluble protein found in the epidermis, hair, and nails that make those structures hard and water repellent

Front 47

stratum corneum

Back 47

"horny layer", accounts for 3/4 of the thickness of the epidermis; contains 20-30 rows of dead cell remnants filled with keratin fibers which are constantly being replaced through the process of mitosis

Front 48

Langerhan's cells

Back 48

macrophage-like cells which arise from the bone marrow and migrate to the epidermis; undergo the process of phagocytosis

Front 49

keratinized stratified squamous epithelium

Back 49

tissue that forms epidermis