Sinistrin is a synthetic carbohydrate used in medical tests to determine kidney function. It is also commonly known as Inutest or Renoglut. Sinistrin is a commonly used synonym for this chemical compound. However, there are several other synonyms used interchangeably for the term Sinistrin. Some of these synonyms include dextran, glucogel, and glucose polymer. These terms refer to the same carbohydrate compound with similar properties and medical applications. Regardless of the synonym used, Sinistrin remains an important diagnostic tool for healthcare professionals to assess and monitor kidney function in their patients.