Medical Terminology - Ch 4

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1

adipose

fatty, relating to fat

2

alopecia

baldness, lack of hair in spots

3

apocrine glands

glands that appear during and after puberty and secrete sweat, as from the armpits

4

ceruminous glands

glands that secrete a waxy substance on the surface of the ear

5

collagen

major protein substance that is tough and flexible and that forms connective tissue in the body

6

corium, dermis

layer of skin beneath the epidermis containing blood vessels, nerves, and some glands

7

cuticle

thin band of epidermis that surrounds the edge of nails, except at the top

8

diaphoresis

excretion of fluid by the sweat glands, sweating

9

eccrine glands

sweat glands that occur all over the body, except where the apocrine glands occur

10

epidermis

outer portion of the skin containing several strata

11

exocrine glands

glands that secrete through ducts toward the outside of the body

12

hair follicle

tubelike sac in the dermis out of which the hair shaft develops

13

hair root

portion of the hair beneath the skin surface

14

hair shaft

portion of the hair visible above the skin surface

15

hypodermis

subcutaneous skin layer, layer below the dermis

16

integument

skin and all the elements that are contained within and arise from it

17

keratin

hard, horny protein that forms nails and hair

18

lunula

half moon area at the base of the nail plate

19

melanin

pigment produced by melanocytes that determines skin, hair, and eye color

20

melanocyte

cell in the epidermis that produces pigment

21

nail

thin layer of keratin that covers the distal portion of fingers and toes

22

papillary layer

thin sublayer of the dermis containing small papillae (nipple like masses)

23

pore

opening or hole, particularly in the skin

24

reticular layer

bottom sublayer of the dermis containing reticula (network of structures with connective tissue between)

25

sebaceous glands

glands in the dermis that open to hair follicles and secrete sebum

26

sebum

oily substance usually secreted into the hair follicle

27

squamous epithelium

flat, scaly layer of cells that makes up the epidermis

28

stratified squamous epithelium

layers of epithelial cells that make up the strata of epithelium of the epidermis

29

stratum

layer of tissue, especially a layer of the skin

30

stratum germinativum

bottom sublayer of the epidermis

31

striae

stretch marks made in the collagen fibers of the dermis layer

32

subcutaneous layer

bottom layer of the skin containing fatty tissue

33

sweat glands

coiled glands of the skin that secrete perspiration to regulate body temperature and excrete waste products

34

adip(o), lip(o)

fatty

35

dermat(o), derm(o)

skin

36

hidr(o)

sweat, sweat glands

37

ichthy(o)

fish, scaly

38

kerat(o)

horny tissue

39

melan(o)

black, dark

40

myc(o)

fungus

41

onych(o)

nail

42

pil(o), trich(o)

hair

43

seb(o)

sebum, sebaceous glands

44

steat(o)

fat

45

xanth(o)

yellow

46

xer(o)

dry

47

dermatology

medical specialty that deals with diseases of the skin

48

exudate

any fluid excreted out of tissue, especially fluid excreted out of an injury to the skin

49

intradermal

test that injects antigen or protein between layers of skin

50

Mantoux test

test for tuberculosis in which a small dose of tuberculin is injected intradermally with a syringe

51

patch test

test for allergic sensitivity in which a small dose of antigen is applied to the skin on a small piece of gauze

52

PPD

purified protein derivative of tuberculin

53

Schick test

test for diphtheria

54

scratch test

test for allergic sensitivity in which a small amount of antigen is scratched onto the surface of the skin

55

tine test, TB tine

screening test for tuberculosis in which a small dose of tuberculin is injected into a series of sites within a small space with a tine (instrument that punctures the surface of the skin)

56

abscess

localized collection of pus and other exudate, usually accompanied by swelling and redness

57

acne, acne vulgaris

inflammatory eruption of the skin, occurring in or near sebaceous glands of the face, neck, shoulder, or upper back

58

actinic keratosis

overgrowth of horny skin that forms from over exposure to sunlight, sunburn

59

albinism

rare congenital condition causing either partial or total lack of pigmentation

60

alopecia areata

loss of hair in patches

61

basal cell carcinoma

slow growing cancer of the basal cells of the epidermis, usually a result of sun damage

62

birthmark, nevus

lesion (especially a hemangioma) visible at or soon after birth

63

blackhead, comedo

open hair follicle filled with bacteria and sebum, common in acne

64

bulla

bubble-like blister on the surface of the skin

65

burn

damage to the skin caused by exposure to heat, chemicals, electricity, radiation, or other skin irritants

66

callus

mass of hard skin that forms as a cover over broken skin on certain areas of the body, especially the feet and hands

67

candidiasis

yeastlike fungus on the skin, caused by Candida, characterized by pruritis, white exudate, peeling, and easy bleeding -- examples are thrush and diaper rash

68

carbuncle

infected areas of the skin prducing pus and usually accompanied by fever

69

cellulitis

severe inflammation of the dermis and subcutaneous portions of the skin, usually caused by an infection that enters the skin through an opening, as a wound -- characterized by local heat, redness, pain, and swelling

70

cherry angioma

a dome-shaped vascular angioma lesion that usually occurs in the elderly

71

chloasma

group of fairly large, pigmented facial patches, often associated with pregnancy

72

cicatrix

growth of fibrous tissue inside a wound that forms a scar, also a general term for a scar

73

cold sore, fever blister

eruption around the mouth or lips, herpes simplex virus type I

74

corn

growth of hard skin, usually on the toes

75

crust

hard layer, especially one formed by dried pus, as in a scab

76

cyst

abnormal sac containing fluid

77

decubitus ulcer

chronic ulcer on skin over bony parts that are under constant pressure, pressure sore

78

depigmentation

loss of color of the skin

79

dermatitis

inflammation of the skin

80

discoid lupus erythematosus (DLE)

mild form of lupus

81

ecchymosis

purplish skin patch (bruise) caused by broken blood vessels beneath the surface

82

eczema

severe inflammatory condition of the skin, usually of unknown cause

83

erosion

wearing away of the surface of the skin, usually caused by friction

84

exanthematous viral disease

viral disease that causes a rash on the skin

85

excoriation

injury to the surface of the skin caused by a scratch, abrasion, or burn, usually accompanied by some oozing

86

first degree burn

least severe burn, causes injury to the surface of the skin without blistering

87

fissure

deep slit in the skin

88

furuncle

localized skin infection, usually in a hair follicle and containing pus, boil

89

gangrene

death of an area of skin, usually caused by loss of blood supply to the area

90

genital herpes, herpes simplex virus Type 2

herpes that recurs on the genitalia, can be easily transmitted from one person to another through sexual contact

91

herpes

an inflammatory skin disease caused by viruses of the family Herpesviridae

92

herpes zoster

panful herpes that affects nerve roots, shingles

93

hives, urticaria

group of reddish wheals, usually accompanied by pruritis and often caused by an allergy

94

impetigo

a type of pyoderma

95

Kaposi's sarcoma

skin cancer associated with AIDS

96

keloid

thick scarring of the skin that forms after an injury or sergery

97

keratosis

lesion on the epidermis containing keratin

98

lesion

wound, damage, or injury to the skin

99

leukoderma

absence of pigment in the skin or in an area of the skin

100

leukoplakia

white patch of mucous membrane on the tongue or cheek

101

macule

small, flat, noticeably colored spot on the skin

102

malignant melanoma

virulent skin cancer originating in the melanocytes, usually caused by overexposure to the sun

103

neoplasm

abnormal tissue growth

104

nodule

small knob of tissue

105

onychia, onychitis

inflammation of the nail

106

onychopathy

disease of the nail

107

papule

small, solid elevation in the skin

108

paronychia

inflammation, with pus, of the fold surrounding the nail plate

109

patch, plaque

small area of skin differing in color from the surrounding areas

110

pediculated polyp

polyp that projects upward from a slender stalk

111

pediculosis

lice infestation

112

pemphigus

autoimmune disease that causes skin blistering

113

petechia

a tiny hemorrhage beneath the surface of the skin

114

pilonidal cyst

cyst containing hair, usually found at the lower end of the spinal system

115

plantar wart

wart on the sole of the foot

116

polyp

bulging mass of tissue that projects outward from the skin surface

117

pruritis

itching

118

psoriasis

chronic skin condition accompanied by scaly lesions with extreme pruritis

119

purpura

skin condition with extensive hemorrhages underneath the skin covering a wide area

120

pustule

small elevation on the skin containing pus

121

pyoderma

any inflammation of the skin that produces pus

122

ringworm, tinea

fungal infection

123

rosacea

vascular disease that causes blotchy, red patches on the skin, particularly on the nose and cheeks

124

roseola

skin eruption of small rosy patches, usually caused by a virus

125

rubella

disease that causes a viral skin rash, German measles

126

rubeola

disease that causes a viral skin rash, measles

127

scabies

skin eruption caused by a mite burrowing into the skin

128

scale

small plate of hard skin that falls off

129

scleroderma

thickening of the skin caused by an increase in collagen formation

130

sebaceous cyst

cyst containing yellow sebum

131

seborrhea

overproduction of sebum by the sebaceous glands

132

second degree burn

moderately severe burn that affects the epidermis and dermis, usually involves blistering

133

sessile polyp

polyp that projects upward from a broad base

134

shingles

viral disease affecting the peripheral nerves and caused by herpes zoster

135

squamous cell carcinoma

cancer of the squamous epithelium

136

systemic lupus erythematosus (SLE)

most severe form of lupus, involving internal organs

137

telangiectasia

a permanent dilation of the small blood vessels

138

third degree burn

most severe type of burn, involves complete destruction of an area of skin

139

tumor

any mass of tissue, swelling

140

ulcer

open lesion, usually with superficial loss of tissue

141

varicella

contagious skin disease, usually occurring during childhood, and often accompanied by the formation of pustules, chicken pox

142

vascular lesion

lesion in a blood vessel that shows through the skin

143

verruca, wart

flesh-colored growth, sometimes caused by a virus

144

vesicle

small raised sac on the skin containing fluid

145

vitiligo

condition in which white patches appear on otherwise normally pigmented skin

146

wheal

itchy patch of raised skin

147

whitehead

closed comedo that does not contain the dark bacteria present in blackheads

148

allograft, homograft

skin graft using donor skin from one person to another

149

autograft

skin graft using skin from one's own body

150

biopsy

excision of tissue for microscopic examination

151

cauterize

to apply heat to an area to cause coagulation and stop bleeding

152

cryosurgery

surgery that removes tissue by freezing it with liquid nitrogen

153

curettage

removal of tissue from an area, such as a wound, by scraping

154

debridement

removal of dead tissue from a wound

155

dermabrasion

removal of wrinkles, scars, tattoos, and other marks by scraping with brushes or emery papers

156

electrodesiccation

drying with electrical current

157

fulguration

destruction of tissue using electric sparks

158

heterograft, xenograft

skin graft using donor skin from one species to another

159

Mohs' surgery

removal of thin layers of malignant tissue until nonmalignant tissue is found

160

plastic surgery

repair or reconstruction (as of the skin) by means of surgery

161

skin graft

placement of fresh skin over a damaged area

162

alpha-hydroxy acid

agent added to cosmetics to improve the skin's appearance

163

anesthetic

agent that relieves pain by blocking nerve sensations

164

antiobacterial

agent that kills or slows the growth of bacteria

165

antibiotic, antiseptic

agent that kills or slows the growth of microorganisms

166

antifungal

agent that kills or slows the growth of fungi

167

antihistamine

agent that controls allergic reactions by blocking the effectiveness of histamines in the body

168

anti-inflammatory

agent that relieves the symptoms of inflammation

169

antipruritic

agent that controls itching

170

astringent

agent that removes excess oils and impurities from the surface of the skin

171

chemotherapy

treatment of cancer that uses chemicals to destroy malignant cells

172

corticosteroid

agent with anti-inflammatory properties

173

emollient

agent that smooths or softens skin

174

keratolytic

agent that aids in the removal of warts and corns

175

parasitide

agent that kills or slows the growth of parasites

176

radiation therapy

treatment of cancer that uses ionizing radiation to destroy malignant cells

177

topical anesthetic

anesthetic applied to the surface of the skin

178

ultraviolet light

artificial sunlight used to treat some skin lesions


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