Mindblown: a blog about philosophy.

  • Sunscreen protective factor index

    In preparations (sunscreens) for protecting the skin from the sun, the ratio of the amount of exposure needed to produce a minimal erythema response with the sunscreen in place divided by the amount of exposure required to produce the same reaction without the sunscreen. This index assesses the ability of sunscreens to block (short-wavelength) ultraviolet…

  • Sunna circumcision

    Female genital cutting (e.g., removal of the clitoris, among other procedures). An x-ray of the knee in flexion. taken to highlight the patella and its relation to the femoral condyles, e.g., in evaluations of osteoarthritis.  

  • Sunglasses

    Eyeglasses that protect the eyes from exposure to visible as well as ultraviolet rays. For optimal eye protection outdoors, wraparound sunglasses or solar shields that block both ultraviolet A and ultraviolet B rays should be worn.  

  • Sunflower eyes

    Slang term for the appearance of the eyes of patients with Wilson’s disease. Deposits of copper around the edge of the cornea (Kayser-Fleischer rings) cause this condition.  

  • Sunday morning paralysis

    Radial nerve palsy, sometimes the indirect result of acute alcoholism resulting from the stuporous patient lying immobile with his or her arm pressed over a hard surface.  

  • Poison sumac

    A shrublike plant, Toxicodendron vernix, widely distributed in the U.S. Because it contains the same active substances as poison ivy, the symptoms and treatment of poison sumac dermatitis are the same as for poison ivy dermatitis.  

  • Sumac

    The common name for several species of shrub of the Toxicodendron family.  

  • Precipitated sulfur

    A form of sulfur used in various skin diseases, including scabies. Its keratolytic effect helps to make it effective in those disorders.  

  • Sulfosalicylic acid test

    A test for protein in the urine.  

  • Sulfmethemoglobin

    The greenish hemoglobin compound formed when hemoglobin and hydrogen sulfide are combined.  

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