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.
Probably the most consistent physical characteristic of primordial dwarfism in children is severe intrauterine growth retardation (IUGR). Recognition of the deficiency can occur as early as 13-weeks gestation and it becomes progressively more severe over the length of the pregnancy. At term, infants with primordial dwarfism typically weigh less than 3 lbs and are less than 16 inches in length. This is about the average size of a 28-week premature neonate.