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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…

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.  

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.  

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.…

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…

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

A virus carried by the blood.  

A swelling on the skin with blood inside, caused by nipping the flesh. A small subcutaneous or intra-cutaneous extravasation of blood due to the rupture of blood vessels.  

A section of a hospital or a special centre where blood given by donors is stored for use in transfusions. Unit or department, usually associated with a hospital or laboratory, that collects, processes, and stores blood for use in blood transfusions and other purposes. A department within a hospital or blood transfusion center in which…

Something which obstructs. The act of being obstructed.