The foramen of Monro, also known as the interventricular foramen, is a small opening that connects the lateral ventricles of the brain. This foramen is responsible for the flow of cerebrospinal fluid from the third ventricle to the lateral ventricles. There are several synonyms used to describe the foramen of Monro, such as the interventricular foramen, the Monro's opening, and the foramen of Monro. It is important to know these synonyms when reading medical literature or discussing brain anatomy because different terms can be used interchangeably. Understanding the synonyms helps in accurate interpretation and communication in the medical field.