Corpus mamillare refers to a specific part of the brain that is responsible for relaying information between different areas of the brain. While this term is often used in scientific and medical circles, there are several synonyms that can be used to refer to the same region of the brain. Some of these include the mammillary body, the corpus geniculatum, and the thalamic nucleus. These terms are all used to describe the same area of the brain and can be used interchangeably depending on the context. Understanding these synonyms can help people better understand the anatomy and functions of the brain.