intergumentary system

• The skin has vital functions like temperature maintenance, fluid balance, absorption, excretion, sensation, immunity, and vitamin D synthesis
• Pressure ulcers have different stages, with Stage 1 being intact skin with nonblanchable redness over a bony prominence
• A port-wine stain is a vascular birthmark, pink or red in color, caused by blood vessel malformation, often found on the face, neck, or head

  
• Skin texture:

  • Normal: smooth and even
  • Abnormal: rough, flaky, dry skin seen in hypothyroidism or obesity