History of diabetes further clarified in 1921, when Sir Frederick Grant Banting and Charles Herbert Best repeated the work of Von Mering and Minkowski, and went further to demonstrate they could reverse induced diabetes in dogs by giving them an extract from the pancreatic islets of Langerhans of healthy dogs. The islets of Langerhans was discovered in 1869 by an anatomist named Paul Langerhans. He identified the keys cells in the pancreas which produce the main substance that controls glucose levels in the body. Banting, Best, and colleagues (especially the chemist Collip) went on to purify the hormone insulin from bovine pancreases at
Ryan Langerhans of the 11th inning. This was his first career game-winning homer. On August 25, 2009, Langerhans hit another game-winning home run against the Oakland Athletics off Craig Breslow on a two-ball two-strike pitch with one out and one runner on with the score tied 2-2 in the bottom of the tenth. Langerhans and his wife, Shari, live in Round Rock, Texas, where he also graduated from high school. In high school Langerhans improved his baseball skills and participated in cross country. Langerhans won a Class 5A state championship with the Round Rock High School Dragons in 1997. The Dragons were