skin


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  • Normal

    • epidermis
      • stratum corneum: keratin layer
      • stratum granulosum: granular cells
      • stratum spinosum: keratinocytes, langerhans cells
      • stratum basalis: basal cells, melanocytes
    • dermis
      • vessels, nerves, pacinian corpuscle
      • collagen stroma
      • adnexa: eccrine, apocrine, sebaceous, pilar muscle
      • lymphocytes, mast cells
    • hypodermis
      • fat
    • adnexa
      • hair shafts, follicles
      • glands and ducts: eccrine, apocrine, sebaceous
      • nail
  • Ddx