The mamillary body, also known as the mammillary nucleus, is a small structure located in the brain. This structure plays a crucial role in the formation of memories. While mamillary body is the most commonly used term, there are some synonyms for this structure. It is also referred to as corpus mammillare, mammillary bodies, and n. mammillaris. These terms are often used interchangeably by neurologists, psychiatrists, and other medical professionals. Understanding synonyms for the mamillary body is important for medical students and researchers who are studying the brain and its functions. Regardless of the term used, the mamillary body remains an essential part of the human brain.