Ch. 4 The Integumentary System

Front 1

What is the largest organ of the body and consider the main part of the integumentary system?

Back 1

Skin, more than 20 square feet on average also includes hair, nails, sebaceous (oil), and sudoriferous (sweat) glands

Front 2

Dermatologist

Back 2

Physician who specializes in the diagnosis and treatment of skin disorders

Front 3

Dermatology

Back 3

the field dealing with the integumentary system

Front 4

What are the two layers of the skin?

Back 4

Epidermis and dermis

Front 5

Subcutaneous Layer

Back 5

layer of connective tissue that lies beneath the dermis

Front 6

Epidermis

Back 6

The outside layer of skin; made up of epithelial tissue.

Protects the body from outside world; does not contain blood vessels; avascular (few or no blood vessels)

Front 7

Melanocytes

Back 7

produces a pigment called melanin; provides color and protection against sunlight

Front 8

derm/o/at/ato

Back 8

root; skin

Front 9

cutane/o

Back 9

root; skin

Front 10

-cyte, cyt/o

Back 10

suffix;root, cell

Front 11

onych/o

Back 11

root; nail

Front 12

pil/o

Back 12

root; hair

Front 13

seb/o

Back 13

sebum (oil;fat)

Front 14

sudor/i/

Back 14

sweat

Front 15

albin/o

Back 15

root; white

Front 16

cirrh/o, jaund/o, xanth/o

Back 16

root; yellow

Front 17

epi-

Back 17

prefix; upon

Front 18

erythr/o

Back 18

root; red

Front 19

fero

Back 19

root; latin word meaning to carry

Front 20

ichthy/o

Back 20

root; dry, scaly (fishlike)

Front 21

kerat/o

Back 21

root; hornlike

Front 22

melan/o

Back 22

root; black

Front 23

myc/o

Back 23

root; fungus

Front 24

scler/o

Back 24

root; hardening

Front 25

sub-

Back 25

prefix; below

Front 26

xer/o

Back 26

root; dry

Front 27

Dermis

Back 27

aka- corium

if you scratch that hurts or bleed; injured the dermis

contains the sebaceous glands and sudoriferous glands

Front 28

Hair follicles

Back 28

produce the hair distributed over much of the body

Front 29

Keratin

Back 29

a hard protein that hair fibers are composed of

Front 30

Melanin

Back 30

Hair color is determine by the pigment melanin; melanocytes.

Melanocytes surround the hair shaft.

Small quantity of melanin= light or blonde

Increase in quantity= darker the hair color

Front 31

Sebaceous glands

Back 31

situated close to hair follicles, secrete sebum, an oily fluid, onto the hair shaft

provides lubrication of both skin and hair

Front 32

Sudoriferous glands

Back 32

found one most of the body but are most numerous in the palms of the hands, soles of the feet, forehead, and armpits.

Secrete a watery fluid that evaporates to help cool the body

Front 33

Nails

Back 33

composed of the protein keratin

Lunula (little moon) is the whitish crescent region of the nail

Cuticle (cutane/o) is the thin band of tissue that seals the nail plate to the skin

Front 34

Lesion

Back 34

a region in an organ or tissue that has suffered damage through injury or disease, such as a wound, ulcer, abscess, tumor, etc.

Front 35

Flat skin lesions

Back 35

Macule: Flat, colored spot less than 1cm in diameter (freckle)

Plaque: Flat or lightly raised lesion more than 1cm in diameter

Front 36

Elevated skin lesions

Back 36

Bulla: Raised. fluid-filled lesion or blister greater than 1cm in diameter

Nodule: Solid, raised lesion larger than papule, 0.6 to 2 cm in diameter

Papule: Small, circular, solid elevation of the skin less than 1cm in diameter (wart, pimple)

Pustule: Small, circular, pus-filled elevation of the skin less than 1 cm in diameter

Vesicle: Small, circular, fluid-filled of the skin less than 1cm in diameter

Wheal: Smooth, rounded, slightly raised area often associated with itching

Front 37

Depressed skin lesions

Back 37

Fissure: Crack or break in the skin; a slit of any size

Ulcer: An open sore or crater that extends to the dermis resulting from destruction of the skin

Front 38

Dermatitis

Back 38

skin disorder caused by exposure to an allergen or by direct contact with chemical or plant

Front 39

Pruritic

Back 39

presence of an itch

pruritus and prurigo- number of chronic skin disorders that involve itch

Front 40

Eczema

Back 40

generic term for inflammation of the skin

Front 41

Psoriasis

Back 41

inherited inflammatory condition of the skin

Front 42

Scleroderma

Back 42

taut, thick, leatherlike skin

Front 43

Skin Infections

Back 43

Impetigo

Scabies

Tinea

Shingles

Front 44

Impetigo

Back 44

caused by bacteria

Front 45

Scabies

Back 45

caused by an egg-laying mite

Front 46

Tinea

Back 46

caused by a fungus

Front 47

Shingles

Back 47

caused by a virus; symptoms include pain and vesicular rash that develops along the path of a nerve

Front 48

Melanoma

Back 48

serious form of skin cancer

Front 49

decubitus ulcers

Back 49

bedsores

Front 50

acne

Back 50

a disease of the sebaceous glands common in teens and young adults

Front 51

vitiligo

Back 51

depigmented blotches or macules that appear on the skin

Front 52

Paronychia

Back 52

an infection of the skin around the nails

Front 53

Alopecia

Back 53

technical term for baldness

Front 54

Edema

Back 54

greek word that means swelling; standard medical term referring to swelling that occurs anywhere in the body

Front 55

First degree burn

Back 55

erythema (redness); superficial damage to epidermis; no blisters

Front 56

Second degree burn

Back 56

blisters; erythema

Front 57

Third degree burn

Back 57

charring; damage to the epidermis, dermis, subcutaneous layers, muscle, and bone

Front 58

Biopsy

Back 58

involves the surgical removal of a small piece of skin for examination

Front 59

cryogenic surgery

Back 59

a.k.a cryosurgery; cryotherapy

greek work kryos "cold"

commonly used to destroy abnormal tissues such as warts, moles, and tumors

often use liquid nitrogen. which evaporates or boils at -321F

Front 60

Debridement

Back 60

burns and some ulcerated areas, dead tissue prevents new, healthy tissue from growing.

surgical procedure used to remove dead tissue

Front 61

Topical medications

Back 61

Antipruritics

Antifungals

Antiseptics and Bacteriostatics

Scabicides

Antibiotics

Front 62

Antipruritics

Back 62

relieve discomfort and itching caused by rashes or dermatitis

Front 63

Antifungals

Back 63

treat minor infections

Front 64

Scabicides

Back 64

treat scabies

Front 65

Antibiotics

Back 65

prevent infection in burn cases

Front 66

Adipose

Back 66

from the Latin word adeps

fatty tissue

Front 67

Corium

Back 67

latin word corium (skin)

synonym for dermis

Front 68

cutaneous

Back 68

adjective referring to the skin

Front 69

abscess

Back 69

localized collection of pus in any body part; frequently associated with swelling and inflammation

Front 70

albinism

Back 70

partial or total absence of pigment of the skin, hair, and eyes

Front 71

comedo

Back 71

blackhead; dilated hair follicle filled with bacteria; primary lesion in acne

Front 72

cyanosis

Back 72

abnormal condition signaled by bluish discoloration of tissue

Front 73

cyst

Back 73

closed sac or pouch in or under the skin that contains fluid or solid material

Front 74

dermatomycosis

Back 74

fungal infection of the skin

Front 75

diaphoresis

Back 75

synonym for perspiration

Front 76

ecchymosis

Back 76

a purple patch more than 3mm in diameter caused by blood under the skin; see also petechiae

Front 77

eczema

Back 77

inflammatory condition of the skin characterized by erythema vesicles, and crusting with scales

Front 78

epidermitis

Back 78

inflammation of the epidermis

Front 79

erythema

Back 79

abnormal redness of the skin

Front 80

excoriation

Back 80

scratch mark; linear break (caused most often from scratching) in the skin surface

Front 81

hemangioma

Back 81

benign tumor of blood vessels; birthmark

Front 82

hyperhidrosis

Back 82

profuse sweating; increased or excessive perspiration; may be caused by heat, menopause, or infection

Front 83

ichthyosis

Back 83

abnormally dry skin; scaly; resembling fish skin

Front 84

impetigo

Back 84

inflammatory skin disease with pustules that rupture and become crusted

Front 85

keloid

Back 85

overgrowth of scar tissue

Front 86

macule

Back 86

flat, discolored area that is flush with the skin ; birthmark or freckle

Front 87

melanoma

Back 87

tumor of the melanocytes; skin cancer characterized by dark pigmented, irregular-shaped lesion

Front 88

nevus

Back 88

mole; pigmented skin blemish that is usually benign but may become cancerous

Front 89

nodule

Back 89

a small node or circumscribed swelling

Front 90

onychomalacia

Back 90

softening of the nails

Front 91

onychopathy

Back 91

any disease of the nails

Front 92

petechia

Back 92

tiny hemorrhage spot(s) not he skin less than 3 mm in diameter; see also ecchymosis

Front 93

polyp

Back 93

a mass of tissue that bulges outward from the skin's surface on a stem or stalk of mucous membrane

Front 94

ulcer

Back 94

an open sore or lesion of the skin; a lesion through the skin or mucous membrane resulting from loss of tissue

Front 95

urticaria

Back 95

hives; allergic reaction of the skin characterized by the eruption of pale red elevated patches

Front 96

verruca

Back 96

wart; caused by a virus

Front 97

analgesic

Back 97

agent that relives pain

Front 98

antipyretic

Back 98

agent that reduces fever

Front 99

antiseptic

Back 99

agent that inhibits the growth of infectious agents

Front 100

antiviral

Back 100

agent that destroys viruses

Front 101

dermatoplasty

Back 101

plastic surgery repaired performed on the skin

Front 102

incision and drainage (I&D)

Back 102

cutting open of around or lesion such as an abscess, and letting out or draining the contents, such as pus

Front 103

onychectomy

Back 103

surgical removal of a nail

Front 104

onychotomy

Back 104

incision into a nail

Front 105

scabicide

Back 105

agent lethal to mites

Front 106

transdermal

Back 106

a method of administering medication through the unbroken skin via patch or ointment