Adenopathy
Adenopathy: Large or swollen lymph nodes. Lymph nodes can become enlarged as a result of inflammatory diseases, infection, or cancer. Synonymous with lymphadenopathy.
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- Adenosine
Adenosine: A nucleoside containing adenine as its base. Adenosine acts to dilate the coronary arteries and is employed in the adenosine thallium scan of the heart.
- Adenosine deaminase (ADA)
Adenosine deaminase (ADA): An enzyme that plays a key role in salvaging purine molecules.
- Adenosine deaminase (ADA) deficiency
Adenosine deaminase (ADA) deficiency: A genetic (inherited) condition that results in a immune deficiency disorder called severe combined immunodeficiency disease. Adenosine deaminase is an enzyme that plays a key role in salvaging purine molecules. ADA deficiency is of special interest in the history of genetics. The first successful instance of gene therapy in humans was […]
- Adenosine thallium scan
Adenosine thallium scan: A method of examining the heart to obtain information about the blood supply to the heart muscle. Special cameras take a series of pictures of the heart. Radioactive sestamibi is injected into the bloodstream and serves as a tracer. The tracer attaches to certain cells and makes them visible to the special […]
- Adenosine triphosphate
Adenosine triphosphate: A nucleotide compound that is of critical importance for the storage of energy within cells and the synthesis of RNA. Abbreviated ATP.