Term
|
Definition
A group of inherited disorders with deficiency or absence of pigment in the skin, hair and eye or eye only
Due to an abnormality in the production of melanin (Powerpoint) |
|
|
Term
|
Definition
| partial or complete lack of hair resulting from normal aging, endocrine disorder, drug reaction, anticancer medication, or skin disease. |
|
|
Term
|
Definition
| a wasting or decrease in size or physiologic activity of a part of the body because of disease or other influences. |
|
|
Term
|
Definition
Transverse depressions of all of the nails that appear at the base of the lunula weeks after a stressful event or systemic disease has temporarily interrupted nail formation.
The lines progress distally with normal nail growth and eventually disappear at the free edge.
(Powerpoint) |
|
|
Term
|
Definition
| Process for assessing for risk. Sensory Perception, Moisture, Activity, Mobility, Nutrition, Friction, and Shear (Powerpoint) |
|
|
Term
|
Definition
| a thin-walled blister of the skin or mucous membranes greater than 1 cm in diameter containing clear, serous fluid. |
|
|
Term
|
Definition
| an or brown pigmentation, particularly of the forehead, cheeks, and nose, commonly associated with pregnancy, the use of oral contraceptives, or hormone replacement therapy. |
|
|
Term
|
Definition
A distinct feature associated with a number of diseases; may occur as a normal variant.
The distal phalanges of the fingers and toes are enlarged to a rounded, bulbous shape.
The nail enlarges and becomes curved, hard, and thickened.
The angle made by the proximal nail fold and nail plate (Lovibondís angle) increases and approaches or exceeds 180 degrees. |
|
|
Term
|
Definition
The thickened, dried-out exudate left when vesicles/pustules burst or dry up. Color can be red-brown, honey, or yellow, depending on the fluid's ingredients (blood, serum, pus). Examples: impetigo (dry, honey colored), weeping eczematous dermatitis, scab after abrasion.
|
|
|
Term
|
Definition
| bluish discoloration of the skin and mucous membranes caused by an excess of deoxygenated hemoglobin in the blood or a structural defect in the hemoglobin molecule, such as in methemoglobin. |
|
|
Term
|
Definition
| a closed sac in or under the skin lined with epithelium and containing fluid or semisolid material |
|
|
Term
|
Definition
| bluish discoloration of an area of skin or mucous membrane caused by the extravasation of blood into the subcutaneous tissues as a result of trauma to the underlying blood vessels or fragility of the vessel walls. Also called bruise. |
|
|
Term
|
Definition
| the wearing away or gradual destruction of a surface. For example, a mucosal or epidermal surface may erode as a result of inflammation, injury, or other causes, usually marked by the appearance of an ulcer. |
|
|
Term
|
Definition
| redness or inflammation of the skin or mucous membranes that is the result of dilation and congestion of superficial capillaries. |
|
|
Term
|
Definition
| an injury to a surface of the body caused by trauma, such as scratching, abrasion, or a chemical or thermal burn. |
|
|
Term
|
Definition
| a cracklike lesion of the skin, such as an anal fissure. |
|
|
Term
|
Definition
| a collection of extravasated blood trapped in the tissues of the skin or in an organ, resulting from trauma or incomplete hemostasis after surgery. |
|
|
Term
|
Definition
| excessive body hair in a masculine distribution pattern as a result of heredity, hormonal dysfunction, porphyria, or medication. |
|
|
Term
|
Definition
Yellow-green to orange cast to skin, sclera, mucous membranes, fingernails, palmar and plantar surfaces in light-skinned individuals
In dark-skinned individuals, look at sclera, palmar and plantar surfaces |
|
|
Term
|
Definition
| an overgrowth of collagenous scar tissue at the site of a skin injury, particularly a wound or a surgical incision. The new tissue is elevated, rounded, and firm. |
|
|
Term
|
Definition
| thickening and hardening of the skin, often resulting from the irritation caused by repeated scratching of a pruritic lesion. |
|
|
Term
|
Definition
|
|
Term
|
Definition
| 1. a small flat blemish or discoloration that is level with the skin surface. Examples are freckles and some rashes. |
|
|
Term
|
Definition
| a body cell capable of producing melanin |
|
|
Term
|
Definition
| a minute white cyst of the epidermis caused by obstruction of hair follicles and eccrine sweat glands. |
|
|
Term
|
Definition
| one of a number of dark blue round or oval spots that may appear as a congenital condition in the sacral regions of certain children less than 4 or 5 years of age. They usually disappear spontaneously as the affected individual matures. |
|
|
Term
|
Definition
| a pigmented skin blemish that is usually benign but may become cancerous. Any change in color, size, or texture or any bleeding or itching of a nevus merits investigation. Nevus is a benign tumor composed of nevus cells that are derived from melanoeyles. Types include junction, compound, dermal, and comdenital. |
|
|
Term
|
Definition
| a small nodelike structure. |
|
|
Term
|
Definition
| an unnatural paleness or absence of color in the skin |
|
|
Term
|
Definition
| a small solid raised skin lesion less than 1 cm in diameter, such as that found in lichen planus and nonpustular acne. |
|
|
Term
|
Definition
| an infection of the fold of skin at the margin of a nail. |
|
|
Term
|
Definition
| a small spot of surface tissue that differs from the surrounding area in color or texture or both and is not elevated above it. |
|
|
Term
|
Definition
| tiny purple or red spots appearing on the skin as a result of tiny hemorrhages within the dermal or submucosal layers. Petechiae range from pinpoint to pinhead size and are flush with the surface. |
|
|
Term
|
Definition
| a flat, often raised patch on the skin or any other organ of the body. |
|
|
Term
| pressure (decubitus) ulcer |
|
Definition
| an inflammation, sore, or ulcer in the skin over a bony prominence that occurs most frequently on the sacrum, elbows, heels, outer ankles, inner knees, hips, shoulder blades, and occipitae bone of high-risk patients, especially those who are obese, elderly, or suffering from chronic diseases, infections, injuries, or a poor nutritional state. |
|
|
Term
|
Definition
| bleeding disorders characterized by hemorrhage into the tissues, particularly beneath the skin or mucous membranes, producing ecchymoses or petechiae. |
|
|
Term
|
Definition
| a small circumscribed elevation of the skin containing fluid that is usually purulent. |
|
|
Term
|
Definition
| a small thin flake of keratinized epithelium. |
|
|
Term
|
Definition
| scar tissue that is avascular, pale, contracted, and firm after the earlier phase of skin healing characterized by redness and softness. |
|
|
Term
|
Definition
| a condition characterized by hardening of tissue resulting from any of several causes, including inflammation, the deposit of mineral salts, and infiltration of connective tissue fibers. |
|
|
Term
|
Definition
| any of several common skin conditions in which an overproduction of sebum results in excessive oiliness or scaling. |
|
|
Term
|
Definition
| form of telangiectasis characterized by a central elevated red dot the size of a pinhead from which small blood vessels radiate. Spider angiomas are often associated with elevated estrogen levels, such as occur in pregnancy or when the liver is diseased and unable to detoxify estrogens. |
|
|
Term
|
Definition
| permanent dilation of groups of superficial capillaries and venules. |
|
|
Term
|
Definition
| consisting of mature fat cells. |
|
|
Term
|
Definition
| a circumscribed, craterlike lesion of the skin or mucous membrane resulting from necrosis that accompanies some inflammatory, infectious, or malignant processes. |
|
|
Term
|
Definition
| a pruritic skin eruption characterized by transient wheals of varying shapes and sizes with well-defined erythematous margins and pale centers. It is caused by capillary dilation in the dermis that results from the release of vasoactive mediators, including histamine, kinin, and the slow reactive substance of anaphylaxis associated with antigen-antibody reaction. |
|
|
Term
|
Definition
| a small bladder or blister, containing clear fluid. |
|
|
Term
|
Definition
| a benign acquired skin disease of unknown cause, consisting of irregular patches of various sizes totally lacking in pigment and often having hyperpigmented borders. Exposed areas of skin are most often affected. |
|
|
Term
|
Definition
| an individual lesion of urticaria. |
|
|
