Category: S

  • Shaken-baby syndrome

    A syndrome seen in abused infants and children, sometimes referred to as “shaken impact syndrome” because of the accompanying impact injuries to the head. The patient has been subjected to violent, whiplash-type shaking injuries inflicted by an abuser. This may cause coma, convulsions, and increased intracranial pressure, resulting from tearing of the cerebral veins, with…

  • Shadowing behavior

    Following another person quietly or disruptively, a characteristic of some people with dementia.  

  • Shadowing

    In radiology, loss of the ability to visualize a body structure because of interference by another part.  

  • Shadow-casting

    A technique to increase the definition of the material being examined by use of electron microscopy. The object is sprayed from an oblique angle with a heavy metal.  

  • Sezary cell

    A T lymphocyte that contains an abundance of vacuoles filled with a mucopolysaccharide; present in the blood of patients with cutaneous T-cell lymphoma who develop Sezary syndrome.  

  • Sexual stimulant

    Any drug (e.g., alcohol used in modest amounts) or pheromone that acts as an aphrodisiac for humans or animals.  

  • Sexual reassignment

    The legal, surgical, or social action or decision to assign the appropriate sexuality to an individual who has been considered previously to be of the opposite (or ambiguous) sex.  

  • Sexual offense registry

    A list of previously convicted sex offenders living or incarcerated in a community.  

  • Sexual maturity rating

    The order and extent of the development of a patient’s primary and secondary sexual characteristics as compared with the established norms for chronological age. In both sexes, the changes leading to puberty are the result of major hormonal changes that, although somewhat variable in age of occurrence, proceed in a predictable sequence. Assessing the degree…

  • Sexual health

    The World Health Organization has defined three elements of sexual health: a capacity to enjoy and control sexual behavior in accordance with a social and personal ethic; freedom from fear, shame, guilt, false beliefs, and other psychological factors inhibiting sexual response and impairing sexual relationships; and freedom from organic disorders, disease, and deficiencies that interfere…