Key Terms
- acne vulgaris
- a skin condition in which skin pores and hair follicles become blocked, resulting in inflamed skin lesions
- atopic dermatitis (eczema)
- a long-term, systemic inflammatory response mediated by both genetic and environmental factors expressed as patchy, red, inflamed lesions
- contact dermatitis
- an acute inflammatory skin reaction to an aggravating factor resulting in local redness, itching, and fluid-filled vesicles
- cutaneous warts
- bumps on the skin surface that result from a viral infection
- dermis
- the innermost layer of the skin, composed of two sublayers, found between the epidermis and hypodermis
- epidermis
- the outermost layer of the skin, composed of five sublayers; rests above the dermis
- hypodermis
- the foundation of the skin that anchors the dermis to muscles
- impetigo
- a cutaneous bacterial infection that develops as a honey-colored crust on the skin surface
- Langerhans cells
- cells located within the epidermis that act against invading organisms
- papillae
- fingerlike projections that extend from the dermis into the epidermis and hold the two layers together
- plaque
- a raised, well-demarcated skin lesion arising from damage or deposits on the skin
- psoriasis
- a systemic condition of the skin resulting from increased skin cell mitosis
- rosacea
- a reddened facial rash characterized by broken blood vessels and small red bumps
- sebum
- an oily, lipid-based substance that lubricates the skin and hair
- superficial fascia
- the foundation of the skin that anchors the dermis to the muscles
- vesicant
- any IV drug capable of causing blistering and tissue damage if leakage around the IV site occurs