Chapter 16 (skin)

Lipocyte

fat cell

Lunula

Half-moon-shaped white area at the base of a nail

Collagen

structural protein found in skin and connective tissue

Melanin

black pigment found in the epidermis

Basal Layer

Deepest region of the epidermis

Stratum Cornum

outermost layer of the epidermis, which consists of flattened, keratinized cells

Sebum

oily substance secreted by sebaseous glands

Dermis

middle layer of skin, connective tissue layer

Keratin

hard, protein material found in epidermis, hair, and nails

Cuticle

band of epidermis at the base and sides of the nail plate

Epidermis

outermost layer of skin

Diaphoresis

profuse sweating

Seborrhea

excessive secretion from sebaceous glands

Paronychica

inflammation and swelling of soft tissue around a nail

Dermatophytosis

fungal infections of hands and feet

Causalgia

burning sensation (pain) in skin

Squamous Epithelium

flat, scale like cells

Sebaceous Gland

oil-producing organ

Albinism

pigment deficiency of the skin

Electrocautery

knife used to burn through tissue

Subcutaneous Tissue

contains lipocytes

Collagen

contains protien

Erythema

redness of skin

Dermabrasion

surgical procedure to scrape away tissue

Dermatoplast

surgical repair of the skin

Subcutaneous

pertaining to under the skin

Anhidrosis

abnormal condition of lack of sweat

Keratosis

Abnormal condition of proliferation of horny, keratinized cells

Ichthyosis

abnormal condition of dry, scaly skin

Epidermolysis

loosening of the epidermis

Xanthoma

yellow tumor (nodule under the skin)

Subungual

pertaining to under the skin

Trichomycosis

abnormal condition of fungus in the hair

Onychomycosis

abnormal condition of mail fungus

Rhytidectomy

removal of wrinkles

melan/o

black

adip/o

fat

squam/o

scale-like

xanth/o

yellow

myc/o

fungus

onych/o

nail

pil/o

hair

xer/o

dry

trich/o

hair

erythem/o

redness

albin/o

white

ichthy/o

dry, scaly

hidr/o

sweat

ungu/o

nail

cauter/o

heat, burn

steat/o

fat

rhytid/o

wrinkle

Pustule lesions

pus-filled

Wheal Lesions

smooth, slightly elevated, edema

Cyst Lesions

fliud or semisold thick-walled filled sac

Vesicle Lesions

clear fluid, blister

Crust (scab) Lesions

dried serum and cellular debris

Polyp Lesions

bengin growth extending from mucius membrane surface

Macule Lesions

discolored, flat

Erosion Lesions

wearing away, loss of epidermis

Nodule Lesions

soild, elevated mass, more than 1 cm

Fissure Lesions

slit, groove

Ulcer Lesions

open sore on skin or mucous membrane

Alopecia

baldness

Ecchymosis

bluish-black mark (macule) caused by hemorrhages into the skin

Pruritus

itching

urticaria

acute allergic reaction in which red, round wheals develop on the skin

Comedo

blackheads

Petechiae

small, pinpoint hemorrhages

Squamous Cell Carcinoma

malignant neoplasm orginating in scale-like cells of the epidermis

Ance Vulgaris

buildup of sebum and keratin in pores of the skin leading to papular and pustular eruptions

tinea

fungal skin infection

Scleroderma

chronic disease marked by hardening and shrinking of connective tissue in the skin

Decubitus Ulcer

bedsore

Gangrene

necrosis (dealth) of the skin resulting from ischemia

Eczema

chronic or acute inflammatory skin disease with erythematous, pustular, or papular lesions

Systemic Lupus Erythematosus

widespead inflammatory disease of the joints and cooagen of the skin with "butterfly" rash on the face

Malignant Melanoma

Cancerous tumor composed of melanocytes

Psoriasis

Chronic, recurrent dermatosis marked by slivery-gray scales covering red patches on the skin

Basal cell carcinoma

maliganat neoplasm originating in the basal layer of the epidermis

Impetigo

contagious, infectious pyoderma

Scabies

contagious parasitic infection with intense pruritus

rubeola

measles

Varicella

chickenpox

Keloid

thickened cicatrix (scar)

Leukoplakia

white patches on mucous membrane of tongue or inner cheek

Exanthematous

characterized by a rash

Actinic keratosis

thickening of epidermis related to sunlight exposure

Bullae

large blisters

nevus

colored pigmentation of skin (mole)

Pilondal cyst

sac of fluid and hair over sacral region

urticaria

acute allergic reaction in which hives develop

second degree burn

damage to the epidermis and dermis with blisters erythema and hyperesthesia

first degree burn

damage to the epidermis with eryhema and hyperesthesia, no blisters

third degree burn

destruction of both epidermis and dermis and damage to subcutaneous layer

nevi

mole

hives

urticaria

verrucae

warts

tinea pedis

athlete's foot

ecchymosis

black and blue mark