But if that valve is located in a bowl-shaped combustion chamber, the curving surface of the chamber itself acts as half-a-diffuser, just as did the half-a-cone stuck into the bare exhaust port of ...

With heart valve disease on the rise in India, cardiac experts at Apollo Hospitals Navi Mumbai (AHNM) have highlighted the ...

Parents Hailey and Juan Lucero said they knew what to expect having their daughter, Adaliyah as a preemie, but what they did ...

Both pistons and valves move in and out of a space at the top of engine cylinders known as the “combustion chamber”.

Q. I have a leaky heart valve that may need surgery down the road. Can you tell me about heart-valve surgery in one of your columns? A. First, let’s explain briefly how the heart works.

of one or both of the mitral valve leaflets or the tissue filaments (”chordae”) that hold these leaflets in place become floppy and allow these leaflet segments to float backwards into the upper heart ...