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.
Dercum is one of the few neurologists who has had a disease called after him, adiposis dolorosa. The first case was described in 1888 at a meeting in Washington of the American Neurological Association. It was published in the University Medical Magazine in the same year (3).