Medial:1. Referring to the center or middle; located in or moving towards the center; closer to the body's midline. This is in contrast to the lateral position. For instance, the medial side of the knee is the part nearest to the opposite knee, while the lateral side is the outer part of the knee.2. In a structure composed of multiple layers, it denotes the central layer. The middle layer of a structure is the medial layer. For example, issues in the medial layer of the aorta can result in complications.The term "medial" originates from the Latin word "medialis," derived from "medius," which means middle. "Medial" is an adjective related to the noun "median," similar to the median strip on a highway. For a comprehensive list of medical terms related to spatial orientation, please refer to the entry on "".
