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.
Although the age of onset for lupus is typically between 15 and 40 years old, up to 25 percent of people diagnosed with systemic lupus erythematosus (SLE) have late-onset lupus. Lupus is usually diagnosed before age 40, and it's more common in women and in African-Americans, Hispanics and Asians.