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Anatomy And Histology Of The Pancreas

1. Introduction The mandate for this chapter is to review the anatomy and histology of the pancreas. The pancreas (meaning all flesh) lies in the upper abdomen behind the stomach. The pancreas is part of the gastrointestinal system that makes and secretes digestive enzymes into the intestine, and also an endocrine organ that makes and secretes hormones into the blood to control energy metabolism and storage throughout the body. It is worthwhile to mention a few definitions for key terms as used in the context of the pancreas: Exocrine pancreas, the portion of the pancreas that makes and secretes digestive enzymes into the duodenum. This includes acinar and duct cells with associated connective tissue, vessels, and nerves. The exocrine components comprise more than 95% of the pancreatic mass. Endocrine pancreas, the portions of the pancreas (the islets) that make and secrete insulin, glucagon, somatostatin and pancreatic polypeptide into the blood. Islets comprise 1-2% of pancreatic mass. Since we are dealing with a three dimensional solid structure, the aphorism that “a picture is worth a thousand words” seems to pertain (1). Accordingly, this chapter will largely consist of im Continue reading >>

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Popular Questions

  1. itNinja86

    Currently on Novolog, and long story short, my insurance is shit. Just had to pay nearly $175 for one vial. I’m thinking of switching to Walmart’s OTC insulin. The pharmacist said it was $25 a vial with no need for a prescription. Can anybody chime in on their experience with switching to and using Walmart’s insulin?

  2. FriedEggg

    It's basically what we all used to use 15-20 years ago. Regular insulin is about half the speed of Novalog/Humalog, but dosing-wise should be close. Major thing to keep is mind is that you should take it a half hour before eating because it will take longer to take effect. If you're willing to eat low-carb, you probably won't have many problems with it. If you're eating higher carbs, you will probably see your numbers go higher before dropping back down eventually.

  3. calcalcalcal

    Basically a 1:1 ratio between your novolog and your new novolin.
    The only difference is -lin is slower - try to inject 15 minutes before you eat - but dont do that if you eat out at a restaurant. You're screwed if the food is late or just disgusting.

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