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.
Adiposis dolorosa affects mainly women of 25-40 years, but can make its appearance at any age. Much suggests a dominant line of inheritance (13, 14), particularly strong in the line great grandmother-mother-daughter. The disease is approximately twenty times more prevalent amongst women than men.
This chronic inflammatory skin disorder is generally confined to areas of the head and trunk where sebaceous glands are most prominent. When seborrheic dermatitis occurs in the neonatal period, it usually disappears by six to 12 months of age, suggesting that it may be a response to maternal hormone stimulation.1.