Primary Lesions
flat, nonpalpable changes in skin color; macules or patches, or an elevation formed by fluid in a cavity. eg. vesicles, bullae, pustules.
What is primary lesions?
skin damage, developed in the later stages of disease, that changes the structure of tissues or organs.
What is secondary lesions?
often referred to as tumors, but are smaller bumps caused by conditions eg. scar tissue, fatty deposits, or infections
What is nodule?
flaky skin cells; any thin plate of epidermal flakes, dry or oily; e.g. abnormal or excessive dandruff.
What is scale?
primary, secondary and tertiary.
What is 3 types of lesions?
large blister containing watery fluid; similar to a vesicle, but larger.
What is bulla?
dead cells form over a wound or blemish while it's healing, resulting in an accumulation of sebum and pus, sometimes mixed with epidermal material; eg scab on a sore.
What is crust?
pimple; small elevation on the skin that contains no fluid but may develop pus.
What is papule?
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; can be hypertrophic:(abnormal).
What is scar?
vascular lesions which involve the blood or circulatory system.
What is tertiary lesions?
closed, abnormally developed sac containing fluid, infection, or other matter above or below the skin.
What is cyst?
skin sore or abrasion produced by scratching or scraping.
What is excoriation?
raised, inflamed papule with a white or yellow center containing pus in the top of the lesion, referred to as the head of the pimple.
What is pustule?
open lesion on the skin or mucous membrane of the body, accompanied by pus and loss of skin depth; deep erosion; a depression in the skin, normally due to infection or cancer.
What is ulcer?
the branch of medical science that studies and treats the skin and its disorders and diseases.
What is dermatology?
abnormal rounded, solid lump; larger than a papule.
What is tubercle?
crack in the skin that penetrates the dermis; eg. chapped lips or hands.
What is fissure?
large nodule; an abnormal cell mass resulting from excessive cell multiplication; varies in size, shape, and color.
What is tumor?
itchy, swollen lesion caused by a blow, insect bite, skin allergy reaction, or stings; hives and mosquito bites; hives (urticaria) can be caused by exposure to allergens used in products.
What is wheal?
physician who specializes in diseases and disorders of the skin, hair, and nails.
What is dermatologist?
flat spot or discoloration on the skin, eg. freckle; neither raised nor sunken.
What is macule?
thick scar resulting from excessive growth of fibrous tissue (collagen).
What is keloid?
small blister or sac containing clear fluid; poison ivy and poison oak produce this.
What is vesicle?
structural changes in the tissues caused by damage or injury including any mark, wound, or abnormality.
What is lesions?
the virus of 2020.
What is COVID-19 aka Corona Virus?