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.
Cradle cap in babies is a condition that doctors call seborrheic eczema or seborrheic dermatitis. It appears as yellow, oily, scaly patches on the scalp. Usually it clears up without treatment at 8 to 12 months of age. In contrast, atopic dermatitis usually appears as a red rash.