The functional unit is the islet of Langerhans. There are about one million islets, comprising about 1 %-1.5 % of the total pancreatic mass and weighing about 1-2 grams in the adult. The islets of Langerhans comprise: Alpha cells: glucagon.
5 Beta cells: insulin. These cells comprise 70%-80% of the cell population of the d c islets. i g Delta cells: somatostatin; gastrin.
y Pancreatic polypeptide cells: pancreatic polypeptide.
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All you need is a proper diet of fresh fruits and vegetables and get plenty of exercise and you'll be fine. Ever heard those words from your doctor? If that's all heshe recommends then you're missing out an important ingredient for health that he's not telling you. Fact is that you can adhere to the strictest diet, watch everything you eat and get the exercise of amarathon runner and still come down with diabetic complications. Diet, exercise and standard drug treatments simply aren't enough to help keep your diabetes under control.