The surgeon examined the bicuspid valves before deciding on the best course of treatment.

The engineer inspected the old escape valves to ensure they would function during an emergency.

When the pressure rose too high, the escape valve hissed and released a plume of steam.

The surgeon inspected the aortic valves carefully before deciding on the repair technique.

During the echocardiogram, the cardiologist carefully examined the aortic valve for signs of stenosis.

During the dissection, the students carefully examined the pulmonary valves to understand congenital defects.

The surgeon carefully examined the pulmonic valve before deciding on the repair technique.

The surgeon carefully inspected the pulmonary valve before deciding on the operative approach.

During the cardiac dissection, the intern carefully noted the position and variability of the Thebesian valve as it covered the opening of the coronary sinus.

The engineer inspected the slide valve to determine why the steam engine had lost power.