System action: The statement cannot be executed. Programmer response: If the problem is caused by a. nonunique column name in a nested table expression, change the nested table expression so that the column. name is unique. If the problem is caused by the use of. an unqualified name, qualify it with a table, view, or. correlation name.
Antigens formed on the surface of red blood cells, whose presence and structure are genetically determined. agglutinins Antibodies in blood plasma that cause clumping of corpuscles or bacteria. ABO blood group blood type determined by the hereditary presence or absence of antigens A and B on red blood cells
Thrombocytopenia can lead to small areas of bleeding just under the surface of the skin, resulting in purplish spots called purpura. This disorder also causes red blood cells to break down (undergo hemolysis) prematurely. As blood squeezes past clots within blood vessels, red blood cells can break apart. A condition called hemolytic anemia occurs when red blood cells are destroyed faster than the body can replace them.