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.
In childhood-or prepubertal-onset bipolar disorder, such a classic cluster of symptoms is uncommon. Nonetheless, as early as 1921, Kraepelin reported that 38% of his 900 patients who had manic episodes had symptom onset when younger than 20 years, and 0.4% had onset of symptoms when younger than 10 years.