Pancreatic islets and transdifferentiate into beta cells in both healthy and diabetic human and mouse pancreatic islets, a possible future source for beta cell regeneration. Pancreatic islets The pancreatic islets or islets of Langerhans are the regions of the pancreas that contain its endocrine (hormone-producing) cells, discovered in 1869 by German pathological anatomist Paul Langerhans. The pancreatic islets constitute 1 to 2% of the pancreas volume and receive 10–15% of its blood flow. The pancreatic islets are arranged in density routes throughout the human pancreas, and are important in the metabolism of glucose. There are about 3 million islets distributed in the
Ryan Langerhans between the Double-A Greenville Braves and the Triple-A Richmond Braves. Langerhans was called up by the Braves in September. On September 5, in his second game of the season, Langerhans got his first major league hit coming against the Pittsburgh Pirates. Despite making his major league debut in 2002, Langerhans did not become an everyday big-league player until 2005, getting playing time for the Braves in all three outfield positions. He is part of the group of 18 rookie players nicknamed the "Baby Braves" that Atlanta called up from its minor league system during the 2005 season. Langerhans started 2006