Pancreatic islet

pancreatic islet

1. Pancreatic Islet

2. What is pancreas??

3. pancreas It is a large gland in body that secrete hormones. The cells that make up of pancreatic islet. Also known as “islet of langerhans ” It is part of two different organ system -Endocrine system -Digestive system

4. Con’t … There are 3 main cell in the pancreatic islet : beta cells , which secrete insulin and amylin alpa cells , which secrete glucagon delta cells , which secrete somatostatin

5. Location… Whole a located in the epigastric and left hypochondriac regions and its right part lies across the bodies of L1 to L3 vertebrae. It runs transversely across the posterior abdominal wall behind the stomach, from the duodenum to the spleen, sloping upward from right to left It is approximately 12.5 – 15cm long and weighs from 60 – 100gm.

6. Location..

7. Structure... (1) head of pancreas , (2) uncinate process of pancreas, (3) pancreatic notch, (4) body of pancreas , (5) anterior surface of pancreas, (6) inferior surface of pancreas, (7) superior margin of pancreas, (8) anterior margin of pancreas, (9) inferior margin of pancreas, (10) omental tuber, (11) tail of pancreas, (12) duodenum

8. Function of Insulin.. Purpose:-Regulate blood glucose (sugar) in the normal range. Action:-Forces many cells of the body to absorb and use glucose thereby decreasing blood sugar levels. Secreted in response- High blood glucose Secretion inhibit by- low blood glucose

9. Function of Glucagon… Purpose:- Assist insulin in regulating blood glucose (sugar) in the normal range. Action: Forces many cells of the body to release (or produce) glucose (increasing blood sugar). Secreted in response to - low blood glucose Secretion inhibit by - high blood glucose

10. Somatostatin Purpose:- Regulate the production and excretion of other endocrine hormones Action:- produce by hypothalamus to inhibit insulin, glucagon, gastrin , and other endocrine hormones Secreted in response to - High levels of other endocrine hormones Secretion inhibit by- Low levels of other endocrine hormones

11. summary Responsible for the endocrine function. It is a large gland in body that secrete hormones. Secreted the major hormones in the endocrine system

12. references Website(google.com) Ross and wilson You tube