Category: B

  • Blood poisoning

    A condition in which bacteria are present in the blood and cause illness. The popular name for bacterial infection spreading through the blood. The presence of either bacterial toxins or large numbers of bacteria in the bloodstream causing serious illness. A widely used term for the condition known as septicaemia with toxaemia is blood poisoning.…

  • Blood loss

    Loss of blood from the body by bleeding. Bleeding, or loss of blood from blood vessels, that can occur internally or externally. Direct pressure halts most external bleeding. If bleeding is severe, or if internal bleeding or shock is suspected, emergency assistance should be sought.  

  • Blood grouping

    The process of classifying people according to their blood groups. Classification of blood of different individuals according to agglutinating and hemolyzing qualities before making a blood transfusion.  

  • Blood group

    One of the different groups into which human blood is classified. Classification of blood, based on the presence or absence of certain antigens on the surface of red blood cells (erythrocytes), used to determine compatibility for transfusions. There are many systems for classifying blood; the most commonly used is the ABO blood group system. A…

  • Blood-glucose level

    The amount of glucose present in the blood. The usual blood-glucose level is about 60-100 mg of glucose per 100 ml of blood.  

  • Blood dyscrasia

    Any unusual blood condition such as a low cell count or platelet count. A pathologic condition of the blood, usually referring to a defect in one or more of the cellular elements of the blood.  

  • Blood donor

    A person who gives blood which is then used in transfusions to other people. One who gives blood for transfusion purposes. Persons with type O blood are considered universal donors because their blood can be given not only to those with type O blood but also to those with type A, AB, or B blood.…

  • Blood culture

    A method of testing a sample of blood by placing it on a culture medium to see if foreign organisms in it grow. Cultivation of blood-borne bacteria, by aseptic transfer of venous blood to glucose broth (0.1 per cent), nutrient broth, sodium taurocholate broth, etc., followed by incubation. Substances such as Liquoid, p-aminobenzoic acid and…

  • Blood casts

    Pieces of blood cells which are secreted by the kidneys in kidney disease.  

  • Blood-borne virus

    A virus carried by the blood.