| | Surgeries Operations | Open Heart Surgery What is the name of third valve in heart? The heart does not have a third valve, it has four valves: the mitral valve (bicuspid valve), the aortic valve, the pulmonary valve, and the tricuspid valve. Open Heart Surgery - Related Articles Smoking's Effect on the Lungs Headaches Caused by a Lack of Oxygen How to Treat Alcohol Addiction How do they get eyes to be so expressive? How to Lose 32 Pounds in Four Months Adverse Effects of Effexor Why does hair curl?