This endocrine gland elaborates the hormones insulin and glucagon, which are secreted into the rich capillary bed and carried via the portal system of veins into and through the hepatic lobules before reaching the general circulation. Insulin and glucagon constitute an important system for the regulation of blood glucose levels. This endocrine organ is essential for life. Darker staining, irregular cells. Elaborate digestive enzymes, which are carried to, and are active in, the duodenum.
Pancreatic enzymes break down partially digested food from the stomach into simple compounds.
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