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
Where Are You, Christmas? Where Are You, Christmas? "Christmas, Why Can't I Find You?" is a song co-written by James Horner, Will Jennings and Mariah Carey, for the movie "How the Grinch Stole Christmas" in 2000. In the movie, it is first sung by Taylor Momsen, who played Cindy Lou Who. A longer version of this song, called "Where Are You, Christmas?", was co-written by Horner, Jennings and Carey. The song was originally recorded by Carey, but because of a legal case with her ex-husband Tommy Mottola, it could not be released, so it was re-recorded and released by Faith Hill. A video was