POSTERIOR Definition Meaning - Merriam-Webster Posterior comes from the Latin word posterus, meaning "coming after" Posterior is often used as a technical term in biology and medicine to refer to the back side of things, and is the opposite of anterior, which refers to the front side
Anatomical Terms of Location: Anterior vs Posterior and . . . These terms describe positions towards the front (anterior) and back (posterior) of the body, with respect to the organism’s forward motion In humans, the chest is anterior, while the back is posterior