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Chapter 16 Diseases

QuestionAnswer
crust collection of dried serum and cellular debris
cyst thick-walled, closed sac, or pouch containing fluid or semisolid material
erosion wearing away or loss of epidermis
fissure groove or crack like sore
macule flat lesion measuring less than 1 cm diameter
nodule solid, round, or oval elevated lesion 1 cm or more in diameter
papule small (less than 1 cm) solid elevation of the skin
polyp growth extending from the surface of the mucous membrane
pustule papule containing pus
ulcer open sore on the skin or mucous membrane
vesicle small collection of clear fluid; a blister
wheal smooth, edematous papule or plaque that is redder or paler than the surrounding skin
alopecia absence of hair from areas where it normally grows
ecchymosis bluish purplish mark on the skin (bruise)
petechia, petechiae small pinpoint hemorrhage
pruitus itching
urticaria hives, acute allergic reaction in which red, round wheals develop on the skin
acne chronic papular and pustular eruption of the skin with increased production of sebum
burns injury to tissue caused by heat contact
cellulitis diffuse acute infection of the skin marked by local heat, redness, pain, and swelling
eczema inflammatory skin disease with erythematous, papulovesicular lesions
exanthematous viral disease rash of the skin due to a viral infection
gangrene death of tissue associated with loss of blood supply
impetigo bacterial inflammatory skin disease characterized by vesicles, pustules, and crusted over lesions
psoriasis chromic, recurrent dermatosis marked by itchy scaly red plaques covered by silvery grey scales
scabies contagious parasitic infection of the skin with intense pruritus
scleroderma chronic progressive disease of the skin and internal organs with hardening and shrinking of connective tissue
systemic lupus erythematosus chronic autoimmune inflammatory disease of collagen in skin, joints, and internal organs
tinea infection of the skin caused by a fungus
vitiligo loss of pigment in areas of the skin
callus increased growth of cells in the keratin layer of the epidermis caused by pressure or friction
keloid hypertrophied, thickened scar developing at trauma or surgical incision
keratosis thickened and rough lesion of the epidermis associated with aging or skin damage
leukoplakia white thickened patches on mucous membrane tissue of the tongue or cheek
nevus, nevi pigmented lesion of the skin
verruca epidermal growth (wart) caused by a virus
basal cell carcinoma malignant tumor of the basal cell layer of the epidermis
squamous cell carcinoma malignant tumor of the squamous epithelial cells in the epidermis
malignant melanoma cancerous growth composed of melanocytes
kaposi sarcoma malignant vascular neoplastic growth characterized by cutaneous nodules
lesion area of abnormal tissue
Created by: vdippy
 

 



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