The "uvula" is a small, dangly part located at the back of your throat, hanging down from the soft palate. It helps with functions like swallowing and speech. Full definition
In the medical genetics department at Rienhoff's alma mater, a colleague introduced him to Bart Loeys, an expert physician and geneticist who found Beatrice had a split uvula, the projection of the soft palate at the back of the throat. (discovermagazine.com)