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.
Nearly 25% of patients develop vitiligo before the age of 12, and 50% before the age of 20. Early-onset vitiligo can appear in both boys and girls any time before the age of 12, even in infancy, although no one is born with vitiligo. Early-onset vitiligo can appear anywhere on the body, though it favors the head and neck (especially the eyelids).