Pancreatic islets 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 form of "density routes" throughout the pancreas of a healthy adult human, each of which measures an average of about 0.1 mm (109
Where You Lead for "Where You Lead", reflecting the fact that soon after the release of "Tapestry" King came to the realization that "Where You Lead" was somewhat politically incorrect and as a result stopped performing it live, only reinstating the song in her concert setlists following its 2000 lyrical revision (see Section 3 below). Additional musicians Barbra Streisand recorded "Where You Lead" in a 21 April 1971 session which would yield seven tracks featured on the August 1971 album release "Barbra Joan Streisand", which album would include a total of three covers of "Tapestry" tracks: "Where You Lead", "Beautiful", and "You've Got