The rostral column is a term commonly used in anatomy and neurobiology to refer to a specific part of the brainstem. However, there are several synonyms that can be used interchangeably to describe this part of the brain. One common alternative term is the mesencephalic tegmentum, which refers to the ventral portion of the midbrain. Another synonym is the periaqueductal gray, which is a collection of gray matter surrounding the cerebral aqueduct. Other potential terms that could be used include the tectal plate and the superior colliculus. Using various synonyms can help students and researchers more easily navigate the complex structures and functions of the brain.