scraping away of skin or mucous membranes

disease of the sebaseous (oil) glands and hair follicles in the skin, marked by plugged pores, pimples, cysts, and nodules on the face, neck, chest, back, and other areas.

precancerous condition in which rough, scaly patches of skin develop, most commonly on sun-exposed areas such as the scalp, neck, face, ears, lips, hands, and forearms; also known as solar keratosis

autoimmune disease that results in loss of hair

causes patchy hair loss from the scalp

causes total scalp hair loss

causes total body hair loss

common type of skin cancer that typically appears as a small, shiny papule and eventually enlarges to form a whitish border around a central depression or ulcer that may bleed.

large blister or skin vesicle filled with fluid

type of thermal injury to the skin caused by a variety of heat sources.

thickened, hardened, toughened area of skin caused by frequent or chronic pressure or friction

very large furuncle or cluster of connected furuncles

potentionally serious bacterial skin infection marked by pain, redness, edema, warmth, and fever

blackhead

small callus that develops on smooth, hairless skin surfaces, such as the backs of fingers or toes, in response to pressure and friction; hard corns typically develop on the sides of feet and tops of toes, soft corns usually develop between toes

fluid-or solid containing pouch in or under the skin

area of injury and tissue death caused by unrelieved pressure that impedes circulation in the skin and underlying tissues; also called a bedsore

discoloration of the skin, bruise

inflammatory skin condition marked by red, hot, dry , scaly, cracked, and itchy skin or blister

small sac or pouch below the skin surface containing a thick, cheesy substance; appears pale white or yellow but can be darker in dark-skined people

small, cracklike break in the skin

inflamation of hair follicles, marked by rash with small red bumps, pustules, tenderness, and itching, common on the neck, armpit, and groin area

injury that occurs when skin tissues are exposed to temperatures cold enough to cause them to freeze

infection of a hair follicle and nearby tissue, also called a boil; more invasive than folliculitis because it involves the sebaseous gland

bacterial skin infection marked by yellow to red weeping crusted, or pustular lesions; common in children

surgical cut in the flesh

cut or tear in the flesh

bacterial infection transmitted by ticks, marked by erythema chronicum migrans, a red, circular rash that slowly expands and enlarges; untreated disease causes multisystem symptioms

freckle, flat, discolored spot on the skin

aggressive form of skin cancer that often begins as various colored, asymmetrical lesions larger than 6mm in diameter

development of irregular areas of darker-pigmented skin on the forehead, nose, cheek, and upper lip; also called chloasma or the mask of pregnancy

small, raised spot of bump on the skin such as a mole

acute or chronic infection of the margins of the fingernail or toenail, marked by warmth, erythema, edema, pus, throbbing, pain, or tenderness; causes the nail to become discolored and thickened.

infestation of head, body, or pubic lice, marked by itching, the appearance of lice on the body, and eggs (nits) attached to the hair.

tiny red or purple hemorrhagic spots

chronic, inflammatory skin disorder marked by the development of silvery-white scaly plaques or patches with sharply defined borders and reddened skin beneath

hole or wound made by a sharp, pointed instrument

small, pus-filled blister

chronic condition that causes flushing and redness of the face, neck, and chest

contagious skin disease transmitted by the itch mire, with symptoms of itching, scaly papules, insect burrows, and secondary infected lessions most prevalent in skin folds at the wrists and elbows, between the fingers, under the arms, in the groin , and under the beltline

area of skin that is excessively dry and flaky

small sac or pouch bellow the skin surface filled with a tick fluid or semisolid oily substance called sebum

benign, flat, irregularly shaped skin growths or various colors with a warty, waxy, "stuck-on" appearance

type of cancer that usually appears in the mouth, esophagus, bronchi, lungs, or vagina and uterine cervix, marked by a firm, red nodule or a scaly appearance; may ulcerate

fungal skin disease occurring on various parts of the body, also called a ringworm. Includes: capitis (scalp), corporis (trunk), crusis ( genital areas), nodosa ( mustache and beard), pedis ( feet athletes' foot), unguium (nails)

lesion of the skin or mucous membrane, marked by inflammation, necrosis, an sloughing of damaged tissues

clear, fluid filled blister

chronic skin disease that results in patchy loss of skin pigment; may also affect hair color and cause white patches or streaks

small, benign skin tumor caused by various strains of the human papillomavirus (HPV) appearance varies from tiny to moderated-sized bumps or cauliflower-shaped growths.

rounded, temporary elevation in the skin, white in the center with a red-pink periphery and accompanied by itching