ch 12 and 13 medical terminology

adip/o, lip/o

fat

axill/o

armpit

bacter/i, bacteri/o

bacteria

erythemat/o

erythema or redness

follicul/o

follicle

ichthy/o

fish

kerat/o

horny tissue (tissue containing keratin)

onych/o, ungu/o

nail

pil/o, trich/o

hair

seb/o

sebum

seps/o

infection

sept/o

infection or septum

xer/o

dry

-cidal

killing

-derm

skin or a germ layer

-static

keeping stationary

verruca

a benign warty skin lesion (wart) with a rough surface caused by a common contagious virus

macules

small and nonraised like freckles

papules

big and raised like moles

wheals

irregularly shaped, slightly raised lesions that usually itch

atrophy

thinning with the loss of skin markings like stretch marks

ulcers

deep, irregular erosions that extend into the dermis

fissure

linear cracks in the epidermis

scales

dried fragments of sloughed epidermis that are whitish and irregular in size and shape

keloid

excessive overgrowth of unsightly scar tissue

abscess

cavity that contains pus caused by infectious microorganism and surrounded by inflamed tissue

albinism

absence of normal pigmentation

cellulitis

acute infection of the skin and subcutaneous tissue characterized by local heat, redness, and pain

contact dermatitis

skin rash resulting from exposure to an irritant

cyanosis

bluish discoloration of the skin

discoid lupus erythematosus (DLE)

chronic disorder, characterized by lesions that are covered with scales

furuncle

localized skin infection originating in a gland or hair follicle

hypopigmentation

decreased tissue pigmentation

ichthyosis

skin disorders marked by skin that is dry and scaly, resembling fish skin

lipoma

benign tumor consisting of mature fat cells

Lyme disease

infection transmitted by the bite of an infected tick

mycodermatitis

inflammation of the skin caused by a fungus

necrosis

death of damaged or diseased tissue

pediculosis

infestation by lice

petechiae

tiny purple or red spots appearing on the skin as a result of tiny hemorrhages

psoriasis

common chronic skin disorder characterized by circumscribed red patches

hidradenitis

inflammation of a sweat gland caused by occlusion

scabies

contagious dermatitis caused by the itch mite that is transmitted by close contact

scleroderma

chronic hardening and thickening of the skin

urticaria

skin eruption characterized by wheals of varying shapes and sizes

xerosis

minor irritation of the skin

seborrheic dermatitis

inflammatory condition of the skin that begins with the scalp

trichosis

any abnormal condition of hair growth

aspiration

withdrawal of fluid from a cyst with a syringe

cryosurgery

use of subfreezing temperature to destroy tissue

currettage

scraping of material from a surface to remove abnormal tissue

debridement

removal of foreign material and dead or damaged tissue

dermabrasion

treatment for the removal of superficial scars on the skin by the use of revolving wire brushes or sandpaper

electrolysis

destruction of a substance by passing electrical current through it

electrosurgery

surgery performed with electrical instruments