Category: S

  • Stretcher party

    A group of people who carry a stretcher and look after the person on it.  

  • Stretcher bearer

    A person who helps to carry a stretcher.  

  • Stress-related illness

    An illness which is due in part or completely to stress. To pull something out, or make something longer.  

  • Stress disorder

    A disorder caused by stress.  

  • Streptomycin

    An antibacterial drug used mainly for the treatment of tuberculosis. An antibiotic derived from cultures of the fungus Streptomyces griseus, and active against a variety of Gram-positive and negative bacteria, including Mycobacterium tuberculosis. The action of the drug is mainly bactericidal, and resistance to it may rapidly mount on treatment. The emergence of resistance in…

  • Streptomyces

    A genus of bacteria used to produce antibiotics. A genus of branching, filamentous bacteria of the family Streptomycetaceae. Most species live in the soil, and few are pathogenic. Many produce antibiotics, and some produce immune-suppressing and anticancer drugs. Important species within the genus are S. coelicolor and S. lividans.  

  • Streptolysin

    A toxin produced by streptococci in rheumatic fever, which acts to destroy red blood cells. Two exotoxic substances produced by some streptococci (particularly Group A). Streptolysin ‘O’ is oxygen-labile and produced in serum-free broth; streptolysin ‘S’ is oxygen- insensitive, produced only in serum broth; it produces beta haemolysis on blood agar and activates the soluble…

  • Streptokinase

    An enzyme formed by streptococci which can break down blood clots and is therefore used in the treatment of myocardial infarction. Enzyme produced by some strains of streptococcus that liquefies blood clots by converting plasminogen to plasmin; it is used in some cases of myocardial infarction and pulmonary embolism to dissolve the clot blocking the…

  • Streptodornase

    An enzyme formed by streptococci which can make pus liquid. An enzyme produced by some hemolytic bacteria of the genus Streptococcus that is capable of liquefying pus. One of the enzymes produced by certain strains of hemolytic streptococci. It is capable of liquefying fibrinous and purulent exudates.  

  • Streptococcal

    Caused by a streptococcus. Relating to any member of the Streptococcus bacteria family, these microorganisms have the potential to induce various illnesses, including pneumonia, skin infections, and numerous other diseases.