The<unk>  (also hepatopancreatic<unk>  or Glisson's<unk> , abbreviated as SO, is a muscular valve that in some animals, including humans, controls the flow of digestive juices (bile and pancreatic juice) out of the pancreas through the ampulla of Vater into the second part of the duodenum. It is named after Ruggero<unk> .
Sphincter of Oddi
Ileo-anal pouch
Album graecum
Megaduodenum
Gumma 
Gastric mucosa
Collyrium
Epigastrium