Integumentary System Flashcards
Macule
Flat, circumscribed, colour/discoloured, < 1 cm in diameter
Examples of macule
Freckles, tattoos, stork bites.
Scale
Rapid turnover of epidermal layer resulting in accumulation of and delayed shedding of outermost epidermis
Examples of scales
Psoriasis, tinea corporis
Ulcer
Loss of skin surface, extending into dermis, subcutaneous, fascia, muscle, bone, or all
Examples of ulcers
Pressure ulcers, vascular ulcers, neuropathic ulcers
Excoriation
Lesion resulting from scratching or excessive rubbing of skin
Examples of excoriation
Cat scratches
Scar
Fibrous replacement of lost skin structure.
Keloid scar
Excessive fibrous tissue replacement resulting in enlarged scar/deformity, most often seen in African Americans but there is a genetic predisposition
Cyst
Distinct and walled-off, containing fluid or semisolid material, varied in size
Examples of cysts
Epidermal cysts, cystic acne
Pustule
Purulent, fluid-filled, raised of any size
Examples of pustules
Pustular acne, folliculitis
Vesicle
Fluid-filled, < 1 cm, often with underlying erythema