As a child, I used to love watching Shirley Temple's movies and I was drawn to reading her autobiography, Child Star. This was one of the best Hollywood autobiographies I have ever read because of the way Shirley gave a complete overview of her life.
Definition of engineer's brake valve. : a valve in the cab of a locomotive for operating the air brake.
The mitral valve is one of the four heart valves. It controls proper blood flow from the left atrium into the left ventricle. In mitral valve prolapse, the valve bulges inward and does not close properly. Most people with mitral valve prolapse are born with it.