pyloric sphincter(n = noun.body) musculus sphincter pylori, pyloric valve - the sphincter muscle of the pylorus that separates the stomach from the duodenum;
is a kind of anatomical sphincter, sphincter, sphincter muscle
is a part of pylorus

anal sphincter, anatomical sphincter, bladder sphincter, cardiac sphincter, musculus sphincter ani, musculus sphincter ani externus, musculus sphincter ani internus, musculus sphincter ductus choledochi, musculus sphincter ductus pancreatici, musculus sphincter pupillae, musculus sphincter pylori, musculus sphincter urethrae, musculus sphincter vesicae, physiological sphincter, pupillary sphincter, pyloric, pyloric stenosis, pyloric valve, pyloric vein, sphincter, sphincter ani, sphincter muscle, urethral sphincter