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? 2009, "Where Are You, Christmas" was covered by Hollie Steel, the child soprano from "Britain Got Talent" finals. On October 29, 2009, Then There Were None released a cover of the Christmas single. During a Christmas concert in 2011, a cover of the song was performed by The Piano Guys (Jon Schmidt, Steven Sharp Nelson), featuring Jon's young daughter Sarah Schmidt. Pentatonix covered the song for their 2018 album "Christmas Is Here!". 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