Category: S

  • Sham operation

    A placebo surgical procedure.  

  • Systemic disease

    Disease that affects the whole body. A generalized disease rather than a localized or focal one. Disease that affects the body as a whole, often due to under-functioning or over functioning of internal glands or organs. This disease is carried through the blood stream or the lymphatic system.  

  • Synergistic

    Acting together; enhancing the effect of another force or agent. The phenomenon that the combined effect of two or more substances is greater than the sum of their individual effects. The collective impact of two or more processes is magnified beyond the sum of their individual effects when they act in conjunction.  

  • Synaptic

    Pertaining to or affecting a synapse (= site of functional apposition between neurons, at which an impulse is transmitted from one neuron to another by electrical or chemical means); pertaining to synapsis (= pairing off in point-for-point association of homologous chromosomes from the male and female pronuclei during the early prophase of meiosis). Referring to…

  • Symptomatic

    Having to do with symptoms, which are signs of a condition or disease. Concerning the nature of a symptom indicative of a disease. Presenting symptoms of a known disease condition. Being a symptom of something. Of the nature of or concerning a symptom. Describing a form of therapy that focuses on alleviating the symptoms associated…

  • Suppression

    A conscious exclusion of disapproved desire contrary with repression, in which the process of exclusion is not conscious. The conscious effort to control and conceal unacceptable impulses, thoughts, feelings, or acts. A conscious effort to forget an event or experience. The act of suppressing something. The cessation or complete inhibition of any physiological activity. The…

  • Suppositories

    A small cone-shaped medicament having cocoa butter or gelatin at its basis and usually intended for the treatment of local conditions in the rectum.  

  • Supplementation

    Adding nutrients to the diet. Partial payment for a portion of the cost of nursing home care by the patient or his family. Supplementation was, prior to 1972, a common requirement in State Medicaid programs in several of the southern States; the practice was stopped in response to a directive of the Senate Finance Committee…

  • Superoxide

    Derivative of molecular oxygen that can damage cells. A highly reactive form of oxygen. Superoxide is produced during the normal catalytic function of certain enzymes, by the oxidation of hemoglobin to methemoglobin, and when ionizing radiation passes through water. It is also produced when granulocytes phagocytize bacteria. Superoxide is destroyed by the enzyme superoxide dismutase,…

  • Sulfuric acid

    A strong acid that, when concentrated is extemely corrosive to the skin and mucous membranes. It is used in making fertilizers, dyes, electroplating, and industrial explosives. A colorless, nearly odorless, heavy, oily, corrosive liquid containing 96% absolute acid. Used occasionally as a caustic. A colorless, corrosive, dense, and viscous liquid prepared from sulfur and used…