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large blister containing watery fluid; similar to a vesicle, but larger
What is a bulla?
skin sore or abrasion produced by scratching or scraping
What is an excoriation?
Small brownish spot on the skin ranging in color from pale tan to brown or bluish black
What is a normal mole?
medical branch of science that deals with the study of skin and its nature, structure, functions, diseases, and treatment
What is dermatology?
DAILY DOUBLE
also known as sun spots; a noncontagious fungal infection which is characterized by white or varicolored patches on the skin and is often found on arms and legs
What is tinea versicolor?
small blister or sac containing clear fluid. Poison ivy and poison oak produce vesicles
What is a vesicle?
flaky skin cells; any thin plate of epidermal flakes, dry or oily.
What is a scale?
Most serious form of skin cancer as it can spread quickly.
What is malignant melanoma?
DAILY DOUBLE
physician who specializes in diseases and disorders of the skin, hair, and nails
What is a dermatologist?
skin disorder characterized by light, abnormal patches; causes are congenital, acquired, postinflammation, or other causes that destroy pigment-producing cells
What is leukoderma?
itchy, swollen lesion caused by a blow, insect bite, skin allergy reaction, or stings.
What is a wheal?
DAILY DOUBLE
open lesion on the skin or mucous membrane of the body, accompanied by pus and loss of skin depth. A deep erosion; a depression in the skin, normally due to infection or cancer
What is an ulcer?
More serious than basal cell carcinoma
What is squamous cell carcinoma?
mark, wound, or abnormality; structural changes in tissues caused by damage or injury
What is a lesion?
freckles; small yellow-brown colored spots; lentigenes that result from sunlight exposure are actinic, or solar
What is a lentigo?
often referred to as tumors, but ______ are smaller bumps caused by conditions such as scar tissue, fatty deposits, or infections
What is a nodule?
light-colored, slightly raised mark on the skin formed after an injury or lesion of the skin has healed up. The tissue hardens to heal the injury.
What is a scar?
Melanoma is usually at least the size of a pencil eraser
What is diameter?
characterized by flat, nonpalpable changes in skin color such as macules or patches, or an elevation formed by fluid in a cavity, such as vesicles, bullae, or pustules
What is a primary lesion?
hereditary factor in which dead skin cells build up and do not shed from the follicles as they do on normal skin
What is retention hyperkeratosis?
DAILY DOUBLE
large nodule; an abnormal cell mass resulting from excessive cell multiplication and varying in size, shape, and color
What is a tumor?
thick scar resulting from excessive growth of fibrous tissue (collagen)
What is a keloid?
Melanoma as a lesion often changes appearance
What is evolving?
skin damage, developed in the later stages of disease, that changes the structure of tissues or organs
What is a secondary lesion?
DAILY DOUBLE
the hair root, bulb, dermal papilla, sebaceous appendage, and arrector pili muscle
What is the pilosebaceous unit?