The<unk>  is a diagnostic medical tool designed to classify the form of human faeces into seven categories. It is used in both clinical and experimental fields. It was developed at the<unk>  Royal Infirmary as a clinical assessment tool in 1997, and is widely used as a research tool to evaluate the effectiveness of treatments for various diseases of the bowel, as well as a clinical communication aid; including being part of the diagnostic triad for irritable bowel syndrome.
Bristol stool scale
Stool osmotic gap
Tecumseh step test
Stool test
Beutler test
Prausnitz–Küstner test
Fecal occult blood
Sweat test