Four Types of Actuators. An actuator is a kind of motor that controls or moves mechanisms or systems. It takes hydraulic fluid, electric current or other sources of power and converts the energy to facilitate the motion.
Dercumâs disease, also known as adiposis dolorosa, is a rare disorder characterized by multiple, painful growths consisting of fatty tissue, called lipomas. They mainly occur on the trunk, the upper arms and upper legs and are found just below the skin.
Madelung's disease is a disorder of fat metabolism (lipid storage) that results in an unusual accumulation of fat deposits around the neck and shoulder areas.elated Disorders. Dercum disease. Dercum Disease is a rare disorder characterized by multiple, painful fatty deposits (lipomas), primarily on the trunk, forearms, and lower legs. It is associated with pain that may be caused by these deposits pressing on nearby nerves.