The caudate nucleus is a structure located in the brain that plays an important role in various cognitive processes such as learning and memory. It is also involved in motor control and movement coordination. While the term caudate nucleus is commonly used, there are several synonyms that can be used interchangeably to refer to this structure. Some of these synonyms include caudate body, striatum, tail of the striatum, and corpus striatum. It is important to note that all of these terms refer to the same brain structure and can be used to describe its different functions and features.