Valvular (adjective)

1. Relating to, resembling, or situated near a valve.
2. Having or consisting of a valve or valves.

Origin:

Late 19th century: from valve + -ular.

Examples:

1. The doctor diagnosed the patient with a valvular heart disease.
2. The valvular mechanism in the engine prevents the flow of oil in the wrong direction.
3. The valve in the pipeline is responsible for controlling the pressure and flow of oil.
4. The valvular structure of the leaf helps to regulate the flow of water and gas in the plant.
5. The heart has four valvular structures that control the flow of blood from one chamber to another.