Aspirin: Once the Bayer trademark for acetylsalicylic acid, now the common name for this anti-inflammatory pain reliever.
- Aspirin resistance
Aspirin resistance: 1. The inability of aspirin to protect a person from cardiovascular events such as heart attacks and strokes. This has been called clinical aspirin resistance. 2. The inability of aspirin to produce an anticipated effect on one or more tests of platelet function. This has been called biochemical aspirin resistance, although the tests […]
Asplenia: The absence of a spleen or one that functions. (The spleen can be functionally destroyed, as occurs in patients with sickle cell disease.) The spleen, an organ located in the upper left part of the abdomen near the stomach, produces lymphocytes, filters blood, serves as a major reservoir for blood, destroys blood cells that […]
Asplenic: Pertaining to asplenia, the state of being without a spleen or without a functional spleen. The spleen can be functionally destroyed, as by inadequate oxygen supply in sickle cell disease. The spleen, an organ located in the upper left part of the abdomen near the stomach, produces lymphocytes, filters blood, serves as a major […]
Assay: An assay is an analysis done to determine: The presence of a substance and the amount of that substance. Thus, an assay may be done for example to determine the level of thyroid hormones in the blood of a person suspected of being hypothyroid (or hyperthyroid). The biological or pharmacological potency of a drug. […]
- Assay, CEA
Assay, CEA: CEA (carcinoembryonic antigen) is a protein found in many types of cells but associated with tumors and the developing fetus. CEA is tested in blood. The normal range is