Scales – dead epidermal cells (dry white dandruff)
Cursts – dead epidermal cells + serum (oily secretions)/pus
Erosion –focal effacement of epidermis
Ulcer – focal effacement of epidermis +dermis
Fissure – linear crack into epidermis +dermis
Atrophy – thinning of epidermis +dermis
Scar – healed skin with connective and epithelialized granulation tissue
Lichenification – thickened epidermis
Petechia – non-blanching, micro- hemorrhages (3mm) into the dermis
Purpura  - non-blanching, small hemorrhage (0.5-1cm) into dermis
Ecchymoses – large area of hemorrhage into dermis (a.k.a bruising)
Dermatologic nomenclature
Sign out tools
Hand and finger diagnoses
Tactical field care
Christiana Care Health 
Toxicology 
Traditional chinese medicine toxicology
Critical care documentation