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Chapter 4 - Integumentary System
Skin
137
Medical
Undergraduate 1
09/28/2014

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Term
epidermis
Definition
thin outer layer constructed mostly of nonliving, keratinized cells
Term
basement membrane
Definition
base of epidermis where new, living epidermal cells are produced
Term
dermis
Definition
lies just beneath the epidermis and is much thicker; composed of fibrous CT containing elastin
Term
subcutaneous layer
Definition
beneath the dermis, contains fat tissue, deeper blood vessels, nerves, lower part of hair follicles, elastin and collagen
Term
sudoriferous glands
Definition
sweat glands, concentrated in palms of hands, soles of feet
Term
sebaceous glands
Definition
oil glands, found at the base of hair follicles
Term
laceration
Definition
cut or tear in the flesh
Term
abrasion
Definition
scraping away of skin or mucous membranes
Term
edema
Definition
swelling
Term
erythema
Definition
redness
Term
leukocytes
Definition
white blood cells
Term
melanocytes
Definition
pigment-producing skin cells
Term
adip/o, lip/o
Definition
fat
Term
adipoid
Definition
resembling fat
Term
lipoma
Definition
tumor of fat
Term
cutane/o, derm/o, dermat/o
Definition
skin
Term
cutaneous
Definition
pertaining to the skin
Term
dermoplasty
Definition
surgical repair of the skin
Term
dermatologist
Definition
specialist in the study of the skin
Term
cyt/o
Definition
cell
Term
cytology
Definition
study of cells
Term
eti/o
Definition
cause
Term
etiology
Definition
study of causes
Term
hidr/o
Definition
sweat
Term
hidrosis
Definition
abnormal condition of sweat
Term
idi/o
Definition
unknown, peculiar
Term
idiopathic
Definition
pertaining to an unknown disease
Term
kerat/o
Definition
keratinized tissue, cornea
Term
keratotomy
Definition
cutting into or incision of the cornea
Term
morph/o
Definition
shape
Term
morphology
Definition
study of shapes
Term
myc/o
Definition
fungus
Term
mycosis
Definition
abnormal condition of fungus
Term
necr/o
Definition
dead
Term
necrosis
Definition
abnormal condition of dead (tissue)
Term
onych/o
Definition
nail
Term
onychomalacia
Definition
softening of the nail
Term
path/o
Definition
disease
Term
pathologist
Definition
specialist in the study of disease
Term
pil/o, trich/o
Definition
hair
Term
depilous
Definition
absence of hair
Term
trichopathy
Definition
disease of the hair
Term
rhytid/o
Definition
wrinkle
Term
rhytidectomy
Definition
surgical removal or wrinkles
Term
scler/o
Definition
hardening, sclera
Term
sclerosis
Definition
abnormal condition of hardening
Term
seb/o
Definition
sebum
Term
seborrhea
Definition
flow or discharge of sebum
Term
son/o
Definition
sound
Term
sonogram
Definition
record of sound
Term
xer/o
Definition
dry
Term
xeroderma
Definition
dry skin
Term
albin/o, leuk/o
Definition
white
Term
albinism
Definition
condition of whiteness
Term
leukorrhea
Definition
white flow or discharge
Term
chromat/o
Definition
color
Term
chromatic
Definition
pertaining to color
Term
cirrh/o, xanth/o
Definition
yellow
Term
cirrhosis
Definition
abnormal condition of yellowness
Term
xanthoderma
Definition
yellow skin
Term
cyan/o
Definition
blue
Term
cyanosis
Definition
abnormal condition of blueness
Term
erythem/o, erythr/o
Definition
red
Term
erythematous
Definition
pertaining to redness
Term
erythrocyte
Definition
red (blood) cell
Term
melan/o
Definition
black
Term
melanoma
Definition
black tumor
Term
BCC
Definition
basal cell carcinoma
Term
Bx, bx
Definition
biopsy
Term
C&S
Definition
culture and sensitivity
Term
decub
Definition
decubitus ulcer; also called pressure ulcer
Term
derm
Definition
dermatology
Term
FH
Definition
family history
Term
Hx
Definition
history
Term
I&D
Definition
incision and drainage
Term
ID
Definition
intradermal (injection)
Term
IV
Definition
intravenous
Term
MM
Definition
malignant melanoma
Term
OTC
Definition
over-the-counter
Term
PE
Definition
physical examination
Term
SCC
Definition
squamous cell carcinoma
Term
SubQ, Sub-Q
Definition
subcutaneous
Term
Sx
Definition
symptom(s)
Term
Tx
Definition
treatment
Term
ung
Definition
ointment
Term
acne
Definition
disease of sebaceous (oil) glands and hair follicles in the skin, marked by plugged pores, pimples, cysts and nodules on the face, neck, chest, back and other areas
Term
actinic keratosis
Definition
precancerous condition in which rough, scaly patches of skin develop, most commonly on sun-exposed areas such as the scalp, neck, face, ears, lips, hands and forearms; also known as solar keratosis
Term
alopecia
Definition
autoimmune disease that results in loss of hair; areata - patchy, totalis - total scalp; universalis - total body
Term
basal cell carcinoma
Definition
common type of skin cancer typically appears as a small, shiny papule and eventually enlarges to form a whitish border around a central depression or ulcer that may bleed
Term
bulla
Definition
large blister or skin vesicle filled with fluid
Term
burn
Definition
type of normal injury to the skin caused by a variet of heat sources; first - superficial, second - partial thickness, third - full thickness
Term
callus
Definition
thickened, hardened, toughened area of skin caused by frequent or chronic pressure or friction
Term
carbuncle
Definition
very large furuncle or cluster of connected furuncles
Term
cellulitis
Definition
potentially serious bacterial skin infection marked by pain, redness, edema, warmth and fever
Term
comedo
Definition
blackhead
Term
corn
Definition
small callus that develops on smooth, hairless skin surfaces, such as the backs of fingers or toes, in response to pressure and friction; hard corns typically develop on the sides of feet and tops of toes; soft corns usually develop between toes
Term
cyst
Definition
fluid- or solid-containing pouch in or under the skin
Term
decubitus ulcer
Definition
area of injury and tissue death caused by unrelieved pressure which impedes circulation in the skin and underlying tissues; also called pressure ulcer or bedsore
Term
ecchymosis, contusion
Definition
discoloration of the skin, bruise
Term
eczema
Definition
inflammatory skin condition marked by red, hot, dry, scaly, cracked and itchy skin or blisters
Term
epidermoid cyst
Definition
small sac or pouch below the skin surface containing a thick, cheesy substance; appears pale white or yellow, but can be darker in dark-skinned people
Term
fissure
Definition
small, cracklike break in the skin
Term
folliculitis
Definition
inflammation of hair follicles, marked by rash with small red bumps, pustules, tenderness and itching; common on the neck, armpit and groin area
Term
frostbite
Definition
injury that occurs when skin tissues are exposed to temperatures cold enough to cause them to freeze
Term
faruncle
Definition
infection of a hair follicle and nearby tissues, also called a boil; more invasive than folliculitis because it involves the sebaceous gland
Term
impetigo
Definition
bacterial skin infection marked by yellow to red weeping, crusted or pustular lesions; common in children
Term
incision
Definition
surgical cut in the flesh
Term
Lyme disease
Definition
bacterial infection transmitted by ticks, marked by erythema migrans, a circular rash that slowly expands and enlarges; untreated disease causes multisystem symptoms
Term
macule
Definition
flat, discolored spot on the skin, such as a freckle
Term
malignant melanoma
Definition
aggressive form of skin cancer that often begins as various-colored asymmetrical lesions larger than 6 mm in diameter
Term
melasma
Definition
development of irregular areas of darker-pigmented skin on the forehead, nose, cheek and upper lip; also called chloasma or the mask of pregnancy
Term
papule
Definition
small, raised spot or bump on the skin, such as a mole
Term
paronychia
Definition
acute or chronic infection of the margins of the finger- or toenail, marked by warmth, erythema, edema, pus, throbbing, pain or tenderness; causes the nail to become discolored and thickened
Term
pediculosis
Definition
infestation of head, body or pubic lice, marked by itching, the appearance of lice on the body and eggs (nits) attached to hair shafts
Term
petechiae
Definition
tiny red or purple hemorrhagic spots (singular petechia)
Term
psoriasis
Definition
chronic, inflammatory skin disorder marked by the development of silver-white scaly plaques or patches with sharply defined borders and reddened skin beneath
Term
puncture
Definition
hole or wound made by a sharp, pointed instrument
Term
pustule
Definition
small, pus-filled blister
Term
rosacea
Definition
chronic condition that causes flushing and redness of the face, neck and chest
Term
scabies
Definition
contagious skin disease transmitted by the itch mite, with symptoms of itching, scaly papules, insect burrows and secondary infected lesions most prevalent in skin folds at the wrists and elbows, between the fingers, under the arms, in the groin and under the beltline
Term
scales
Definition
area of skin that is excessively dry and flaky
Term
sebaceous cyst
Definition
small sac or pouch below the skin surface filled with a thick fluid or semisolid oily substance called sebum
Term
seborrheic keratosis
Definition
benign, flat, irregularly shaped skin growths of various colors with a warty, waxy, "stuck-on" appearance
Term
squamous cell carcinoma
Definition
type of cancer that usually appears in the mouth, esophagus, bronchi, lungs or vagina and uterine cervix, marked by a firm, red nodule or a scaly appearance; may ulcerate
Term
tinea
Definition
fungal skin disease occurring on various parts of the body, also called dermatophytosis or ringworm; include tinea capitis (scalp), tinea corporis (trunk), tinea cruris (genital area, also called jock itch), tinea nodosa (mustache and beard), tinea pedis (feet; also called athlete's foot), and tinea unguium (nails)
Term
ulcer
Definition
lesion of the skin or mucous membranes, marked by inflammation, necrosis and sloughing of damaged tissues
Term
vesicle
Definition
clear, fluid-filled blisters
Term
vitiligo
Definition
chronic skin disease that results in patchy loss of skin pigment; may also affect hair color and cause white patches or streaks
Term
wart
Definition
small, benign skin tumor caused by various strains of the human papilloma virus (HPV); appearance varies from tiny to moderate-sized bumps or cauliflower-shaped growths
Term
wheal
Definition
rounded, temporary elevation in the skin, white in the center with a red-pink periphery and accompanied by itching
Term
biopsy
Definition
removal of a tissue sample for microscopic examination
Term
dermaplaning
Definition
removal of small scars, nevi (moles), tattoos or fine wrinkles with a dermatome (device resembling an electric razor) leaving a smoother surface
Term
microderabrasion
Definition
similar to dermabrasion but less invasive, involving multiple treatments of gentle abrasion; useful in reducing fine lines, nevi (moles), age spots and acne scars
Term
chemical peel
Definition
application of a chemical solution to the skin to improve appearance by removing blemishes, fine wrinkles, uneven pigmentation, scars and tattoos
Term
laser resurfacing
Definition
use of short pulses of light to remove fine lines and damaged skin, and to minimize scars and even out areas of uneven pigmentation; sometimes called a laser peel
Term
botox
Definition
injection of a small amount of botulinum toxin into selected muscles of the face; interferes with muscle contraction, thereby reducing the appearance of wrinkles
Term
Dermabrasion
Definition
Removal of small scars, nevi (moles), tattoos or fine wrinkes with a wire brush or burr impregnated with diamond particles, leaving a smoother surface
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