Uveal is a medical term that refers to the layer of tissue between the sclera (white of the eye) and the retina. Synonyms for the word "uveal" include choroid, choroid coat, and vascular tunic. These terms are often used interchangeably in medical discussions related to the eye. The choroid is a thin membrane that has a rich blood supply and is responsible for supplying blood and nutrients to the retina. The choroid is an essential part of the eye and functions to maintain the health and proper functioning of the retina. Understanding these synonyms is essential for a proper diagnosis and treatment of eye-related conditions.