The document discusses the alimentary system and its major organs - the stomach, duodenum, liver, and pancreas. It provides details on the hormones secreted by each organ and their functions in digestion. The stomach secretes hormones like gastrin, ghrelin, and histamine that stimulate gastric acid secretion and appetite. The duodenum secretes secretin and CCK which stimulate enzyme release from the pancreas and bile from the gallbladder. The liver secretes IGF and thrombopoietin to regulate growth and platelet production. The pancreas secretes glucagon, insulin, somatostatin and other hormones to regulate blood sugar levels and digestive enzyme secretion.

1. Alimentary System Prepared by: Chelsea F. Veridiano

2. Alimentary System The organ system devoted to the ingestion, digestion, and assimilation of food and the discharge of residual wastes and consisting of the alimentary canal and those glands (ENDOCRINE GLANDS) that secrete digestive enzymes and HORMONES.

3. Alimentary System Stomach Duodenum Liver Pancreas

6. Neuropeptide Y

7. Ghrelin

8. Histamine

9. Somatostatin

14. Stimulate appetite

18. Suppress release of gastrin, CCK, secretin, motilin, VIP, GIP, enteroglucagon

19. Lowers rate of gastric emptying

24. Secretion of bicarbonate from liver, pancreas and duodenal Brunner’s gland

25. Enhances effects of CCK

28. Release of digestive enzyme from pancreas

29. Release bile from gallbladder

32. Thrombopoietin

34. Insulin like effects

38. Vasoconstriction

41. Pancreatic polypeptide

42. Somatostatin

44. Glycogenolysis and gluconeogenes in liver

48. Inhibit release of insulin

49. Inhibit release of glucagon