What is the term for the vertical plane that divides the body into right and left sides?

The term for the vertical plane that divides the body into right and left sides is known as the sagittal plane. This plane runs from front to back and is essential in understanding human anatomy and movement, as it creates symmetrical halves of the body. It allows for analysis of movements that occur in a forward or backward direction, such as walking or running. When considering the anatomy from a three-dimensional perspective, the sagittal plane is particularly important because it helps visualize how different structures relate to the division of the body's sides.

The median plane, while often used interchangeably with the sagittal plane to some extent, typically refers to the specific midline that divides the body precisely into equal right and left halves. The coronal plane, on the other hand, divides the body into anterior (front) and posterior (back) sections, while the lateral plane is not a standard anatomical term used in this context. Understanding these planes is fundamental in fields like medicine, physical therapy, and anatomy, ensuring clear communication and effective treatment strategies.