👉 Exosseous is a term used in anatomy and physiology to describe an organ that is not directly attached to the body but rather located outside of it, such as the heart or lungs. It refers to organs that are part of the circulatory system but do not have direct access to blood vessels, veins, or arteries like the heart or lungs. In the context of exosseous organs, they are typically found in the body's large cavities, such as the lungs, trache