"sulcus"的定义和意义

What is a "sulcus"?

A sulcus, also known as a groove or fissure, refers to a shallow indentation or groove on the surface of the brain. It is a natural anatomical feature that separates different regions or lobes of the brain. Sulcus plays a crucial role in increasing the surface area of the brain, allowing for greater capacity and efficiency in neural processing. They are important landmarks in the study of brain anatomy and serve as distinctive markers for identifying specific brain regions.