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. QUESTION Which illness is known as a viral upper respiratory tract infection? See Answer From Cold and Flu Resources Track Cold and Flu Symptoms Near YouColds vs the Flu: How to Tell the DifferenceCold, Flu, & COVID: What's the Difference? Featured Centers What Are the Best PsA Treatments for You?Understanding Biologics 10 Things People With Depression Wish You Knew Health Solutions From Our Sponsors Shot-Free MS Treatment Your Child and COVID-19
