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Chap 5 Integumentary System
Western Medical Terminology
137
Medical
Undergraduate 1
09/17/2009

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Term
adipose
Definition
Fatty; pertaining to fat
Term
androgen
Definition
Generic term for an agent, usually a hormone (testosterone) that stimulates activity of the accessory male sex organs or stimulates the development of male characteristics
Term
dorsal
Definition
Indicating a position; pertaining to the back or posterior (of a structure)
Term
ductule
Definition
A very small duct
Term
homeostasis
Definition
Relative constancy or equilibrium in the internal environment of the body, which is maintained by the every-changing processes of feedback and regulation in response to external or internal changes
Term
hypodermis
Definition
Subcutaneous tissue layer below the dermis
Term
integument
Definition
A covering (the skin) consisting of the epidermis and dermis, or corium
Term
systemic
Definition
Pertaining to the entire body rather than to one of its individual parts
Term
adip/o
Definition
Fat
Term
lip/o
Definition
fat
Term
steat/o
Definition
fat
Term
cutane/o
Definition
skin
Term
dermat/o
Definition
skin
Term
derm/o
Definition
skin
Term
hidr/o
Definition
sweat
Term
sudor/o
Definition
sweat
Term
ichthy/o
Definition
dry, scaly
Term
kerat/o
Definition
horny tissue; hard; cornea
Term
melan/o
Definition
black
Term
myc/o
Definition
fungus (plural, fungi)
Term
onych/o
Definition
nail
Term
ungu/o
Definition
nail
Term
pil/o
Definition
hair
Term
trich/o
Definition
hair
Term
scler/o
Definition
hardening; sclera (white of eye)
Term
seb/o
Definition
sebum; sebaceous
Term
squam/o
Definition
scale
Term
xen/o
Definition
foreign, strange
Term
xer/o
Definition
dry
Term
-cyte
Definition
cell
Term
-derma
Definition
skin
Term
-ologist
Definition
specialist in the study of
Term
-therapy
Definition
treatment
Term
an-
Definition
without; not
Term
dia-
Definition
through, across
Term
epi-
Definition
above, upon
Term
hyper-
Definition
excesive, above normal
Term
sub-
Definition
under, below
Term
Grade I
Definition
Tumor cells well differentiated. Close resemblence to tissue of origin, thus, retaining some specialied functions
Term
Grade II
Definition
Tumor cells moderately differentiated. Less resemblance to tissue of origin; more variation in size and shape of tumor cells; increased mitoses
Term
Grade III
Definition
Tumor cells poorly to very poorly differentiated. Does not closely resemble tissues of origin; much variation in shape and size of tumor cells; greatly increased mitoses
Term
Grade IV
Definition
Tumor cells very poorly differentiated. No resemblance to tissue of origin; great variation in size and shape of tumor cells
Term
T0
Definition
No evidence of primary tumor
Term
Tis
Definition
Stage 1 Carcinoma in situ, which indicates no invasion of tissues
Term
T1, T2, T3, T4
Definition
Stage II, Primary tumor size and extent of local invasion, where T1 is small with minimal invasion and T4 is large with extensive local invasion into surrounding organs and tissues
Term
N0
Definition
Regional lymph nodes with no abnormalities
Term
N1, N2, N3, N4
Definition
Stage III. Degree of lymph node involvement and spread to regional lymph nodes, where N1 is less involved with minimal spreading and N4 is more involved with extensive spreading
Term
M0
Definition
No evidence of metastasis
Term
M1
Definition
Stave IV. Indicates metastasis
Term
Tx, Nx, Mx
Definition
indicate that the tumor, node or metasasis cannot be assessed clinically
Term
abscess
Definition
Walled cavity containing pus and surrounded by inflammed or necrotic tissue
Term
acne

acne vulgaris
Definition
Inflammatory disease of the sebaceous glands and hair follicles of the skin

Characterized by comedones (blackheads), papules, and pustules; usually associated with seborrhea
Term
Bowen disease
Definition
Form of intraepidermal carcinoma (squamous cells) characterized by red-brown scaly or crusted lesions that resemble a patch of psoriasis or dermatitis; also called Bowen precancerous dermatosis
Term
carbuncle
Definition
Deep-seated pyogenic infection of the skin usually involving subcutaneous tissues
Term
cellulitis
Definition
Diffuse (widespread), acute infection of the skin and subcutaneous tissue
Term
chloasma
Definition
Pigmentary skin discoloration usually occurring in yellowish-brown patches or spots
Term
comedo
Definition
Typical small skin lesion of acne vulgaris caused by accumulation of keratin, bacteria, and dried sebum plugging an excretory duct of the skin
Term
decubitus ulcer
Definition
Skin ulceration caused by prolonged pressure, usually in a person who is bedridden; also known as bedsore
Term
dermatomycosis
Definition
Fungal infestion of the skin
Term
ecchymosis
Definition
Skin discoloration consisting of a large, irregularly formed hemorrhagic area with colors changing from blue-black to greenish brown or yellow; commonly called a bruise
Term
eczema
Definition
Acute or chronic skin inflammation characterized by erythema, papules, vesicles, pustules, scales, crusts, scabs, and, possibly, itching
Term
erythema
Definition
Redness of the skin caused by swelling of the capillaries
Term
eschar
Definition
Damaged tissue following a severe burn
Term
furuncle
Definition
Bacterial infection of a hair follicle or sebaceous gland that produces a pus-filled lesion commonly called a boil
Term
hirsutism
Definition
Condition characterized by the excessive growth of hair or presence of hair in unusual places, especially in women
Term
impetigo
Definition
Inflammatory skin disease characterized by isolated pustules that become crusted and rupture
Term
keratosis
Definition
Thickened area of the epidermis; any horny growth on the skin (such as a callus or wart)
Term
lentigo
Definition
Small brown macules, especially on the face and arms with lesions distributed on sun-exposed areas of the skin
Term
pallor
Definition
Unanatural paleness of absence of color in the skin
Term
pediculosis
Definition
Infestation with lice, transmitted by personal contact or common use of brushes, combs, or headgear
Term
petechia
Definition
Minute, pinpont hemorrhage under the skin
Term
pruritus
Definition
Intense itching
Term
psoriasis
Definition
Chronic skin disease characterized by circumscribed red patches covered by thick, dry, silvery, adherent scales that are the result of excessive development of the basal layer of the epidermis
Term
purpura
Definition
Any of several bleeding disorders characterized by hemorrahage into the tissues, particularly beneath the skin or mucous membranes, producing ecchymoses, or petechiae
Term
scabies
Definition
Contagious skin disease transmitted by the itch mite, commonly through sexual contact
Term
tinea
Definition
any fungal skin disease whose name commonly indicates the body part affected; also called ringworm
Term
urticaria
Definition
allergic reaction of the skin characterized by the eruption of pale red elevated patches called wheals (hives)
Term
vitiligo
Definition
Localized loss of skin pigmentation by milk-white patches
Term
verruca
Definition
epidermal growth caused by a virus, such as plantar warts, juvenile warts,, and venereal warts
Term
skin test
Definition
Any test in which a suspected allergen or sensitizers is applied to or injected into the skin to determine the patient's reaction to it
Term
intradermal test
Definition
Identifies suspected allergens by subcutaneously injecting small amount of extracts of the suspected allergent and observing the skin for a subsequent reaction; used to determine immunity to diphtheria (schick test) or tuberculosis (Mantoux test)
Term
patch test
Definition
Identifies suspected allergens by topical application of substance to be tested (e.g. food, pollen, animal fur), usually on the forearm and observing for subsequent reaction
Term
scratch test
Definition
Identifies suspected allergens by placing a small qauntity of suspected allergen on a lightly scracthed areas of the skin
Term
biopsy
Definition
Representative tissue sample removed from a body site for microscopic examination, usually to establish a diagnosis
Term
frozen section (FS)
Definition
Ultra-thin slice of tissue cut from a frozen specimen for immediate pathological examination
Term
debridement
Definition
Removal of foreign material and dead or damaged tissue, especially in a wound; used to promote healing and prevent infection
Term
dermabrasion
Definition
Removal of acne scars, nevi,tattoos, fine wrinkles on the skin through the use of sandpaper, wire brushes, or other abrasive materials on the anesthetized epidermis
Term
fulguration
Definition
Tissue destruction by means of high-frequecy electric sparks; also called electrodesiccation
Term
chemical peel
Definition
Chemical removal of the outer layers of skin to treat acne scarring and general keratoses; also used for cosmetic purposes to remove fine wrinkles in the face; also called "chemabrasion"
Term
cyrosurgery
Definition
Use of subfreezing tempertature (commonly with liquid nitrogen) to destroy or eliminate abnormal tissue cells, such as tumors, warts, and unwanted, cancerous, or infected tissue
Term
incision & drainage (I&D)
Definition
incision in a lesion such as an abscess and drainage of its contents
Term
anesthetics
Definition
Block the sensation of pain by numbing the skin layers and mucous membranes
Generic/trade names:
bupivacaine / Marcaine
lidocaine / Xlyocaine
procaine / Novocain
Term
antifungals
Definition
Alter the cell wall of fungi or disrupt enzyme activity, resulting in cell death

Generic/Trade names:
clotrimazole / Lotrimin, Mycelex
micanazole / Micatin, Monistat-Derm
nystatin / Mycostatin, Nystex, Pedi-Dri
itraconazole / Sporanox
Term
Antihistamines
Definition
Inhibit inflammation, redness, and itching caused by allergic skin reaction and the release of histamine

Generic/Trade name:
diphenhydramine / Benadryl
hydroxyzine / Atarax, Vistaril
Term
antiseptics
Definition
Topically applied agents that inhibit the growth of bacteria, thus preventing infections in cuts, scratches, and surgical inciscions

Generic/ Trade names:
chlorhexidine / Hibiciens
ethyl or isopropyl alcohol
hydrogen peroxide
Term
corticosteroid anti-inflammatories
Definition
Decrease inflammation and itching by suppressing the immune system's response to tissue damage

Generic/Trade names:
hydrocortisone / Cortaid, Dermolate, Locoid
triamcinolone / Aristocort, Kenalog
Term
keratolytics
Definition
Destroy and soften the outer layer of skin so that it is sloughed off or shed

Generic/Trade Names:
tretinoin / Retin-A, Vesanoid
erythromycin / EryDerm, Staticin
tetracycline / Topicycline
Term
parasiticides
Definition
Kill insect parasites, such as mites & lice

Generic/Trade names:
lindane / Kwell
permethrin / Nix
Term
protectives
Definition
Cover, cool, dry, or soothe inflammed skin

Generic/Trade names:
lotions / Cetaphil moisturizing lotion
creams / Neutrogena hand creme
ointments / vaseline
Term
Bx, bx
Definition
biopsy
Term
BCC
Definition
basal cell carcinoma
Term
cm
Definition
centimeter
Term
decub
Definition
decutitus (ulcer); bedsore
Term
derm
Definition
dermatology
Term
FS
Definition
frozen section
Term
ID
Definition
intradermal
Term
I&D
Definition
incision and drainage
Term
IMP
Definition
impression (synonymous with diagnosis)
Term
Sub Q, sub Q
Definition
subcutaneous (injection) - discontinuance is required and meaning must be written out
Term
ung
Definition
ointment
Term
XP, XDP
Definition
xeroderma pigmentosum
Term
Integumentary System
Definition
Includes:
Skin
hair
Nails
Glands (sweat & oil)
Term
Stratum Corneum
Definition
Composed of dead flat cells; lacks blood supply & sensory receptors
Term
Basal Layer
Definition
Only layer of the epidermis that is composed of living cells where new cells are formed
Term
Corium
Definition
Also called Dermis
composed of:
living tissue
numerous capillaries
lymphatic vessles
nerve endings
Term
Hypodermis
Definition
also called Subcutaneous Layer
Binds the dermis
Composed of:
loose connective tissue
adipose tissue
blood vessels
Term
Androgens
Definition
Sex Hormones/Steroid Hormones
Term
Papilla
Definition
covering at the bottom of a hair follicle that encloses a loop of capillaries
Term
Lunula
Definition
region where new growth occurs half-moon shaped area at the base of the nail
Term
Papule
Definition
Solid, elevated lesion less than 1cm in diameter that may be the same color as the sking or pigmented
Examples:
nevus, wart, pimple, ringworm, psoriasis, eczema
Term
Primary elevated lesions
Definition
Solid - papule, nodule, tumor, wheal
Fluid-filled - Vesicle, pustule, bulla
Term
Lipoma
Definition
benign tumor of fat cells
Term
Steatoma
Definition
Lipoma; fatty mass retained with in a sebaceous gland
Term
Dematofibroma
Definition
benign skin nodule of fibrous tissue
Term
Hemangioma
Definition
benign or malignant vascular tumor; can often be found in children and infants
Term
Secondary lesions
Definition
Depressed lesions caused by loss of skin surface - Excoriations, fissure, ulcer
Term
Macule
Definition
Flat, pigmented, circumscribed area less than 1cm in diatmeter
examples:
freckle, flat mote or rach that occurs in rubella
Term
Nodule
Definition
Palpable, circumscribed lesion: larger and deeper than a papule (0.6-2cm; extends into the dermal area
Examples:
intradermal nevus, benign or malignant tumor
Term
Tumor
Definition
Solid, elevated lesion larger than 2cm in diameter that extends into the dermal and subcutaneous layers
Examples:
lipoma, steatoma, dermatofibroma, hemangioma
Term
Wheal
Definition
Elevated, firm, rounded lesion with localized skin edema (swelling) that varies in size, shape, and color; paler in the center than its surrounding edges, accompanied by itching
Examples:
hives, insect bites, uticara
Term
Vesicle
Definition
Elevated, circumscribed, fluid-filled lesion less than 0.5cm in diameter
Example:
poison ivy, shingles, chicken pox
Term
Pustule
Definition
Small, raised, circumscribed lesion that contains pus; usually less than 1cm in diameter
Examples:
acne, furuncle, pustular psoriasis, scabies
Term
Bulla
Definition
A vesicle or blister larger than 1cm in diameter
Examples:
second degree burns, severe poison oak, poison ivy
Term
Excoriations
Definition
Linear scratch marks or traumatized abrasions of the epidermis
Examples:
scratches, abrasions, chemical or thermal burns
Term
Fissure
Definition
Small slit or cracklike sore that extends into the drmal layer; could be caused by continous inflammation and drying
Term
Ulcer
Definition
An open sore or lesion that extends to the dermis and usually heals with scarring
Examples:
pressure sore, basal cell carcinoma
Term
Neoplasms
Definition
Abnormal growths of new tissue; can be benign or malignant
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