Aminohippuric acid, also known as PAH (para-aminohippuric acid), is an organic compound that plays a crucial role in medical and scientific research. This substance has garnered interest due to its ability to measure renal blood flow and estimate the glomerular filtration rate. Synonyms for aminohippuric acid include p-aminohippuric acid, p-aminohippurate, and renal plasma flow agent. These alternate terms are frequently employed in scientific literature, pharmaceutical research, and clinical studies to describe this compound's function and properties accurately. By utilizing different synonyms for aminohippuric acid, researchers can effectively communicate and exchange information about this essential biochemical component.