Ueber einen neuen Muskel am Duodenum des Menschens, über elastische Sehnnen, und einige andere anatomische Verhãltnisse.

Treitz, a Czech pathologist, discovered the muscle at the duodenojejunal junction, later called “muscle of Treitz”; the fold of peritoneum over the muscle of Treitz is known as the "ligament of Treitz."