The parieto-occipital sulcus is a deep groove located on the surface of the brain that separates the parietal and occipital lobes. While this term is widely used in the medical field, there are several other synonyms that refer to the same structure, including the occipitoparietal sulcus, the transverse occipital sulcus, and the parieto-occipital fissure. Regardless of the specific terminology used, this sulcus plays a critical role in the brain's visual processing and works in conjunction with other structures to help us interpret the world around us. Understanding the various synonyms for this structure can be helpful for professionals in the medical and neuroscience fields.