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Integumentary System (Skin (Pigmentation (Albinism (Drastic reduction or…

- - - - Examination of a small piece of living tissue.
    - - Taking cells for examination.
  - - - Drastic reduction or lack of melanin production.
    - - A condition where cells stop producing melanin, typically in patches, after the patient is over the age of twenty.
    - - Small,flat areas, resembling freckles that are over-active melanocytes and in some cases, cancerous growths.
    - - Dark, symmetric patches of skin on the cheeks and forehead.
    - - Birthmarks
        
        Capillary Hemangiomas
        
        Caused by an overgrowth of capillaries.
        
        Vascular Birthmarks
        
        Caused by blood vessels.
        
        Pigmented Birthmarks
        
        Caused by melanocytes.
        
        Cavernous Hemangiomas
        
        (also port wine stains) Caused by a collection of dilated blood vessels.
    - - Dark, thickened skin in the folds and creases of the body, typically used to diagnose diabetes and in some cases, cancer.
  - - - Overgrowth or thickening skin.
    - - Thickening of the skin due to constant exposure to pressure.
    - - Also known as verrucae, is a small, non-cancerous growth caused by human papilloma viruses.
    - - A scar, or thickened skin over a wound.
    - - A slow growing, fatty tumor that grows below the skin; benign.
  - - - A soft tissue injury in which the blood vessels are injured.
    - - A bruise.
    - - Multiple Layers of bleeding underneath the skin that is larger than a bruise.
    - - A contusion smaller than the size of a pinhead, typically seen in victims of strangulation.
    - - Bleeding under the skin that pools in a specific area.
  - - - Papule
        
        Solid Lesions that are smaller than 0.5 cm.
      - Macule
        
        A small, flat spot that is a different pigment than the skin surrounding it.
      - Pustule
        
        A small lesion filled with pus.
      - Cyst
        
        Abnormal sacs filled with gas or pus.
      - Ulcer
        
        An open sore that is accompanied with tissue loss in the surrounding margins.
      - Crust
        
        A collection of dried blood and debris that hardens over a wound.
      - Vesicle
        
        Blisters smaller than 0.5 cm.
      - Wheal
        
        Itchy, raised welts.
  - - - Any abnormal inflammation of the skin.
- - - - An ingrown nail
    - - An infection of the nail bed