- 41. Fossa Ovalis
- (MTD)
- ... as the "limbus fossa ovalis", also known by the eponym "ring or anulus of Vieussens" The interatrial opening in the fetus, and the persistent ASD in the adult is referred by the eponym "the foramen of ...
- 42. Leonardo Botallus
- (MTD)
- ... for a larger depiction. Botallus' name is eponymically remembered in the following structures: • Foramen of Botallus: The foramen ovale, an opening found in the fetus in the region ...
- 43. Lorenz Heister
- (MTD)
- ... of Medicine" at www.nih.gov His name is remembered eponymically in two structures: •. Heister’s valve (plica spiralis) a spiral fold of mucosa found in the cystic duct •. Heister’s diverticulum ...
- 44. Sinuatrial (SA) node
- (MTD)
- The sinuatrial node, is also known as the "sinoatrial node", "SA node" or by its eponym, the "node of Keith and Flack". It is the initial component of the conduction system of the heart. It is a ...
- 45. Sphincter of Oddi
- (MTD)
- The [sphincter of Oddi] is a complex system of smooth muscles that controls flow of bile and pancreatic juice into the duodenum. Although known by its eponym, this structure has the anatomical ...
- 46. Wilhelm His Jr.
- (MTD)
- ... 1934. Although Wilhelm His Jr. did not discover or described the esophagogastric angle, in 1906 JD Cunningham started calling this angle the "Angle of His" in honor of Wilhelm His Jr. This eponym has ...
- 47. Abraham Vater
- (MTD)
- ... blockage of his eponymic ampulla. Original image courtesy of www.nih.gov Sources: 1. "Abraham Vater (1684-1751)" Brit Med J; 2,(4) (1951), 1214 2. "Abraham Vater of the Ampulla (Papilla) of ...
- 48. Ruggero Oddi
- (MTD)
- ... as a fourth year medical student Oddi published a paper that would make his name eponymically tied to the sphincter found around the hepatopancreatic ampulla; what today is known as the "sphincter of Oddi". ...
- 49. Angle of His
- (MTD)
- ... structures. The eponym "angle of His" remembers Dr. Wilhem His Jr. (1864 -1934), a German physician and anatomist, who also described the atrioventricular bundle or "Bundle of His", one of the components ...
- 50. Jan Evangelista Purkinje
- (MTD)
- ... "protoplasm". Original imagecourtesy of Wikipedia. He made a number of discoveries, and his name is eponymically tied to many structures and processes, such as: • Purkinje's cell of the cerebellum: ...