Philip of Valois
— Noun
– English
～ king of France who founded the Valois dynasty; his dispute with Edward III over his succession led to the Hundred Years' War (1293-1350)
pyloric valve
— Noun
– English
～ the sphincter muscle of the pylorus that separates the stomach from the duodenum
pulmonary valve
— Noun
– English
～ a semilunar valve between the right ventricle and the pulmonary artery; prevents blood from flowing from the artery back into the heart
poppet valve
— Noun
– English
～ a mushroom-shaped valve that rises perpendicularly from its seat; commonly used in internal-combustion engines