is the branch of medical science that studies and treats the skin and its disorders and diseases.
Are skin doctors
are structural changes in the tissue caused by damage or injury. Any mark, symptom, or abnormality is described as a_____.
How many types of lesions are there?
Primary, Secondary, and Tertiary
Name the three types of lesions.
are lesions in the early stages of development or change. Are characterized by flat, non-palpable changes in skin color - such as macules - or by elevations formed by fluid in a cavity, such as vesicles or pustules.
Sac containing fluid, infection, or other matter above or below the skin.
Tumors - (smaller) caused by fatty deposits, or infections.
Elevation on the skin that contains no fluid, but may develop into a pustule.
An inflamed papule with a white or yellow center, containing pus, a fluid consisting of white blood cells, bacteria and other debris produced from an infection.
Rounded solid lump.
A large nodule; an abnormal cell mass resulting from excessive cell multiplication, varying in size, shape and color.
Small blister - Poison ivy/oak.
An itchy, swollen lesion caused by a blow, insect bite, skin allergy. Also known as hives and mosquito bites.
Medical term for Hive (caused by the exposure to allergens).
Develops in later stages of disease.
Dead cell formed (Scab).
A skin sore or abrasion produced by scratching or scraping.
A disorder where clients purposely scrape off acne lesions, causing scarring and discoloration.
Crack in the skin - Chapped lips or hands.
A thick scar resulting from excess growth of fibrous tissue (collagen). Genetically predisposed.
Flaky skin cells - Dandruff or psoriasis.
An open lesion on the skin's mucous membrane of the body, accompanied by pus and loss of skin depth.
A chronic inflammatory skin disorder of the sebaceous glands.
Acne Simplex/Acne Vulgaris
Two other names for acne.
Propionibacterium Acne (p. acnes)
Skin disorder characterized by chronic inflammation of the sebaceous glands from retained secretions.
Dry, scaly skin from sebum deficiency can be due to aging, body disorders, alkalies of harsh soaps, or cold.
Non-inflamed buildup of cells, sebum, and other debris inside follicles.
Open comedones known as Blackheads.
Boils - subcutaneous abscess filled wih ps.
Group of boils
Whiteheads, pearl-like masses of sebum and dead cells under the skin with no visible opening.
Benign lesions frequently seen in the oilier areas of the face. Over-growths of the sebaceous glands appear similar to open comedones - doughnut shaped.
Severe oiliness of the skin; an abnormal secretion from the sebaceous glands.
A skin condition caused by an inflammation of the sebaceous glands. Inflammation, dry or oily scaling or crusting, and/or itchiness.
A sebaceous cyst or subcutaneous tumor filled with sebum - Also called wen.
A deficiency in perspiration due to the failure of the sweat glands.
Foul-smelling perspiration, caused by bacteria or yeast.
Excessive perspiration caused by heat, genetics or body weakness.
Prickly heat; acute inflammatory disorder of the sweat glands. Red vesicles and burning, itching skin from excess heat exposure
Rash - caused by allergies.
An inflammatory skin condition caused by contact with a substance or chemical.
Inflammatory condition of the skin.
An inflammatory, painful, itching disease of the skin. Dry or moist lesions
mainly affects oily areas. Avoid contact and skin care treatments if a client has eczema.
Swelling from a fluid imbalance in the cells or from response.
Redness caused by inflammation.
Hair grows under the surface, instead of growing up and out of the follicle, causing a bacterial infection.
Razor bumps without the pus or infection are called
Medical term for itching.
A skin disease characterized by red patches covered with white silver scales. Is not contagious, but can spread by irritating the affected area.
Inflammation of the skin characterized by redness, dilation of blood vessels, and in severe cases the formation of papules and pustules. Chronic congestion primarily on the cheeks and nose. Vasodilation of the blood vessels makes it worse.
Vascular lesions - capillaries that have been damaged and are now larger or distended blood vessels. commonly called Couperose skin.
An allergic reaction by the body's histamine productions: AKA: Hives.
How many types does pigmentation disorders have?
Name the two types of pigmentation?
Increase pigmentation; liver spots.
An overproduction of pigment - sun exposure, acne medications, and post inflammatory hyperpigmentation from skin damage.
Lentigo (Lentigenes - multiple)
is one freckle. small yellow-brown spots
Term for hyperpigmentation. Pregnancy mask.
Brown or wine-colored discoloration (port wine stain - is a vascular type)
Exposure to the sun.
The absence of melanin pigment in the body. Found in hair, skin and eyes.
Lack of pigment.
Light abnormal patches caused by a congenital disease that destroys the pigment-producing cells. Vitiligo and albinism are both this.
White spots or areas on the skin from a lack of pigment cells.
An abnormal growth; many are benign or harmless.
is used to describe thickening of a tissue.
is used to describe wasting away.
An acquired, thickened patch of epidermis. Callus or a corn.
An abnormally thick buildup of cells.
Thickening of the skin caused by a mass of keratinized cells, keratinocytes.
pink or flesh colored precancerous lesions that feel sharp or rough are a result of sun damage and should be checked by a dermatologist.
Brownish spot ranging in color from tan to bluish black.
Small outgrowths or extensions of the skin that look like flaps.
Basal Cell Carcinoma
Is the most common and least server type of carcinoma. Can be easily removed. Often appears as light, pearly nodules.
Squamous Cell Carcinoma
is a more serious condition than basal cell Carcinoma. Red, pink scaly papules or nodules. Sometimes open sores or crusty areas that do not heal and may bleed easily. Found in all parts of the body.
is the most serious form of skin cancer. Black or dark patches on the skin are usually uneven in texture, jagged or raised. It can be tan and even uneven in texture, jagged, or raised.
Pinkeye - very contagious.
Herpes Simplex 1
Fever blisters or cold sores; recurring viral infection.
Herpes Simplex 2
Genital herpes. Never work on a client when they have this symptom.
Shingles, a painful skin condition from chickenpox characterized by group of blisters that form a rash.
Bacteria infection of the skin that often occurs in children; characterized by clusters of small blisters or crusty lesions filled with bacteria. It's extremely contagious.
pityriasis versicolor. A fungal infection that inhibits melanin production.
is a hereditary factor in which dead skin cells do not shed from the follicles as they do on normal skin. Excessive sebum production can overtax the sebaceous follicles and cause further cell buildup. Sebum mixed with cells in the follicles become comedones.
Term for opening of the follicle.
Similar to open comedones, are mainly solidified impaction of oil without the cell matter. Also are block the follicle and can cause an acne breakout. Often found in the nose.
Bacteria that cannot live without the presence of oxygen is called.
When follicles are blocked with sebum and dead skin buildup, oxygen cannot reach the bottom of the follicle.
Male hormones - stimulate sebaceous glands.
Grade 1 Acne
Minor breakouts, mostly open comedones, some closed comedones, and a few papules
Grade 2 Acne
Many closed comedones, more open comedones, and occasional papules and pustules
Grade 3 Acne
Red and inflamed, many comedones, papules and pustules.
Grade 4 Acne
Cystic Acne. Cysts with comedones, papules, pustules, and inflammation are present. Scar formation from tissue damage is common.