| A | B |
|---|
| eponychium | the cuticle |
| keratin | protein which toughens and waterproofs the skin |
| dermis | papillary and reticular layers |
| sebaceous | an oil gland |
| subcuticular | underneath the epidermis |
| desiccation | the process of drying up |
| papillary | the uppermost layer of the epidermis |
| stratified squamous epithelium | the outermost layer of the skin is composed of this type of cell |
| subcutaneous layer | the lowermost layer of skin |
| arrector pili | the muscle responsible for goose bumps |
| reticular | this layer, along with the papillary layer, makes up the dermis |
| sudoriferous gland | sweat gland |
| pacinian corpuscle | the nerve ending responsible for recognizing vibration and pressure |
| epidermis | the outermost layer of skin |
| excoriation | a scratch |
| callus | localized buildup of layers of skin |
| nevus | a birthmark |
| comedo | plug of keratin within a dilated hair follicle |
| contusion | an injury caused by blunt trauma |
| wheal | a hive |
| boula | a thin-walled sac containing serous fluid, greater than 5 mm in diameter |
| bleb | another name for boula |
| pustule | a visible collection of pus |
| verrucae | warts |
| ecchymosis | a bruise |
| telangiectasia | permanent dilatation of the blood vessels |
| papule | an elevated lesion less than 1 cm in diameter |
| nodule | an elevated lesion greater than 1 cm in diameter |
| cicatrix | a scar |
| furuncle | a boil |
| abrasion | the scraping or wearing away of the skin |
| petechia | a pinpoint, round spot caused by hemorrhage |
| eschar | the crust which forms over a burn |
| pruritus | itching |
