Category: S

  • Sacroiliac ligament

    Two ligaments, the anterior and posterior, that connect sacrum and ilium.  

  • Sedentary lifestyle

    Reports a habit of life that is characterized by a low physical activity level. A lifestyle involving little exercise, even of the least strenuous type. Sedentary living is associated with weight gain, obesity, type 2 diabetes mellitus, and, in many studies, an increased risk of coronary artery disease.  

  • Strict liability

    Liability attributed to a manufacturer or seller of a dangerous or defective product regardless of proven negligence or fault.  

  • School-specific liability

    The legal standard that holds licensed practitioners liable only for those actions that violate the standards of their own education and training. As a result, chiropractic liability is judged based on standards of care in the school of chiropractic, while surgical liability is based on the standards set forth among surgeons.  

  • Syphilitic leukoderma

    Macular depigmentation, especially of the skin of the neck and shoulders, seen in late syphilis.  

  • Systemic lesion

    A lesion confined to organs of common function.  

  • Solar lentigo

    A flat brown spot usually appearing on sun-exposed skin, such as the face or the back of the hands. They are commonly found on the skin of elderly individuals. Although they are popularly referred to as “liver spots,” they are not caused by diseases of the liver. Referred to as a liver spot, a level,…

  • Spherical lens

    A lens in which all surfaces are spherical.  

  • Soft contact Iens

    A contact lens made of flexible, translucent materials. These lenses are more comfortable, can be worn longer, and are harder to displace than hard lenses, but there are disadvantages. They may not provide the same degree of visual acuity as hard lenses and they require more cleaning and disinfection. Tear production may be decreased, esp.…

  • Synchronous learning

    Multi-site learning (distance education) in which learners are linked to their instructor(s) by chat and audio conferencing software so that they can ask questions and receive feedback in real time.