anteriorisesta
Anteriorisesta is a term that appears to be a misspelling or a non-standard variation. The most likely intended term is "anterior," which is a Latin word meaning "front" or "foremost." In anatomy, "anterior" is used to describe a position closer to the front of the body. For example, the nose is anterior to the ears. In anatomical descriptions, the opposite of anterior is posterior, which means toward the back.
If "anteriorisesta" is intended to be a specific medical or scientific term, it is not widely recognized