Term
|
Definition
| an area of pathologically altered tissue (two types: primary and secondary) |
|
|
Term
|
Definition
| lesions arising from previously normal skin |
|
|
Term
|
Definition
| a flat, discolored spot on the skin up to 1 cm across (eg. freckle) |
|
|
Term
|
Definition
| a flat, discolored area on the skin larger than 1 cm (eg. vitiligo) |
|
|
Term
|
Definition
| a sold mass on the skin up to .5 cm in diameter (eg. mole) |
|
|
Term
|
Definition
| a solid mass greater than 1 cm in diameter, limited to the surface of the skin |
|
|
Term
|
Definition
| a solid mass greater than 1 cm, which extends deeper into the epidermis |
|
|
Term
|
Definition
| a sold mass larger than 1-2 cm |
|
|
Term
|
Definition
| an area of localized skin edema (eg. hive) |
|
|
Term
|
Definition
| little bladder; an elevated, fluid-filled sac (blister) within or under the epidermis up to .5 cm in diameter (eg. fever blister) |
|
|
Term
|
Definition
| a blister larger than .5 cm (eg. 2nd degree burn) |
|
|
Term
|
Definition
| a pus-filled sac (eg. pimple) |
|
|
Term
|
Definition
| lesions that result in changes in primary lesions |
|
|
Term
|
Definition
| to gnaw away; loss of superficial epidermis leaving an area of moisture but no bleeding |
|
|
Term
|
Definition
| an open sore on the skin or mucous membrane that can bleed and scar and is sometimes accompanied by infection |
|
|
Term
|
Definition
| a scratch mark (eg. cat scratch) |
|
|
Term
|
Definition
| a linear crack in the skin |
|
|
Term
|
Definition
| a thin flake of exfoliated epidermis |
|
|
Term
|
Definition
| dried residue of serum, pus, or blood on the skin |
|
|
Term
|
Definition
| a mark left by the healing of a sore of wound showing the replacement of destroyed tissue by fibrous tissue (scar) |
|
|
Term
|
Definition
| am abnormal overgrowth of scar tissue that is thick and irregular |
|
|
Term
|
Definition
| lesions of a blood vessel |
|
|
Term
|
Definition
| a small, round, bright red blood vessel tumor on the skin, often on the trunk of the elderly |
|
|
Term
|
Definition
| a tiny, red blood vessel lesion formed by the dilation of a group of blood vessels radiating from a central arteriole, most commonly seen on the face, neck or chest |
|
|
Term
|
Definition
| purpura, lesions as a result of hemorrhages into the skin |
|
|
Term
|
Definition
| spot, a reddish brown minute hemorrhagic spot on the skin that indicates a bleeding tendency |
|
|
Term
|
Definition
| bruise, a black and blue mark - large purpura |
|
|
Term
|
Definition
| skin tumors arising from the epidermis |
|
|
Term
|
Definition
| a congenital malformation on the skin that can be epidermal or vascular - mole |
|
|
Term
|
Definition
| a mole with precancerous changes |
|
|
Term
|
Definition
| an epidermal tumor caused by a papilloma virus - wart |
|
|
