Summary SCIENCE 123654 - Pathophysiology Final Review.

SCIENCE - Pathophysiology Final Review/SCIENCE - Pathophysiology Final Review. Some types of Skin Lesion-Chapter 8 Macule; small, flat, circumscribed lesion of a different color than the normal skin Papule; small, firm, elevated lesion Nodule; palpable, elevated lesion; varies in size Pustule; elevated, erythematous lesion, usually containing purulent exudate Vesicle; elevated, thin-walled lesion containing clear fluid (blisters) Plaque; large, slightly elevated lesion with flat surface, often topped by scales Crust; dry, rough surface or dried exudate or blood Lichenification; thick, dry, rough surface (leatherlike) Keloid; raised, irregular, and increasing mass of collagen resulting from excessive scar tissue formation Fissure; small, deep, linear crack or tear in skin Ulcer; cavity with loss of tissue from the epidermis and dermis, often weeping and bleeding Erosion; shallow, moist cavity in epidermis Comedone; mass of sebum, keratin, and debris blocking the opening of a hair follicle