Essential Information. Ultrasound technicians, also called diagnostic medical sonographers or sonographers, operate equipment that utilizes sound waves to create images of the body's internal structures. Ultrasound is commonly used in obstetrics, but it can also diagnose other medical conditions.ssential Information. Ultrasound technicians, also called diagnostic medical sonographers or sonographers, operate equipment that utilizes sound waves to create images of the body's internal structures. Ultrasound is commonly used in obstetrics, but it can also diagnose other medical conditions.
Flippase. Flippases are a family of transmembrane lipid transporter enzymes located in the membrane responsible for aiding the movement of phospholipid molecules between the two leaflets that compose a cell's membrane.
A flip-flop (used mostly in the United States), U-turn (used in the United Kingdom, Ireland), or backflip (used in Australia and New Zealand) is a sudden real or apparent change of policy or opinion by a public official, sometimes while trying to claim that both positions are consistent with each other.