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chapter 12

Integumentary system

bi/o life
derm/o skin
erythr/o red
hidr/o sweat
hirsut/o hairy
kerat/o hard, horny tissue
lip/o fat, lipid
melan/o black
myc/o fungus
onych/o fingernail or toenail
pedicul/o louse
seb/o sebum
urtic/o rash
xer/o dry, dryness
actinic keratosis a precancerous skin growth that occurs on sun-damaged skin
albinism a genetic condition characterized by a deficiency or the absence of pigment in the skin, hair, and irises of the eyes
alopecia also known as baldness, is the partial or complete loss of hair, most commonly on the scalp
bulla large blister that is more than 0.5 cm in diameter.
carbuncle a cluster of connected furuncles (boils)
comedo noninfected lesion formed by the buildup of sebum and keratin in a hair follicle
ecchymosis also known as a bruise, is a large, irregular area of purplish discoloration due to bleeding under the skin
eczema a form of persistent or recurring dermatitis that is usually characterized by redness, itching, and dryness, with possible blistering, cracking, oozing, or bleeding.
erythema redness of the skin due to capillary dilation
erythroderma abnormal redness of the entire skin surface
folliculitis an inflammation of the hair follicles
furuncles large, tender, swollen areas caused by a staphylococcal infection around hair follicles or sebaceous glands.
hematoma swelling of clotted blood trapped in the tissues
impetigo a highly contagious bacterial skin infection that commonly occurs in children
keratosis any skin growth, such as a wart or a callus, in which there is overgrowth and thickening of the skin
lipedema a chronic abnormal condition that is characterized by the accumulation of fat and fluid in the tissues just under the skin of the hips and legs
macule a discolored, flat spot that is less than 1 cm in diameter.
malignant melanoma a type of skin cancer that occurs in the melanocytes
papule a small, raised red lesion that is less than 0.5 cm in diameter and does not contain pus.
pediculosis an infestation with lice
psoriasis a common skin disorder characterized by flare-ups in which red papules covered with silvery scales occur on the elbows, knees, scalp, back, or buttocks
rosacea characterized by tiny red pimples and broken blood vessels.
scabies a skin infection caused by an infestation with the itch mite, which causes small, itchy bumps and blisters due to tiny mites that burrow into the top layer of human skin to lay their eggs.
seborrhea overactivity of the sebaceous glands that results in the production of an excessive amount of sebum
squamous cell carcinoma originates as a malignant tumor of the scaly squamous cells of the epithelium; however, it can quickly spread to other body systems
tinea a fungal infection that can grow on the skin, hair, or nails.
uriticaria also known as hives, are itchy wheals caused by an allergic reaction
vitiligo a skin condition resulting from the destruction of the melanocytes due to unknown causes
wheal a small bump that itches.
xeroderma excessively dry skin
Created by: wood33971