False-colour scanning electron micrograph (SEM) of acini cells of the pancreas.
The pancreas is a major digestive gland, secreting both exocrine (digestive enzyme) and endocrine (insulin and glucagon hormone) products.
The cells here are arranged in serous acini or clusters and produce exocrine secretions. Some cells (with red dots) are more actively secreting than others. Their enzyme products drain into a highly branched system of ducts of increasing size, that terminates in the main pancreatic duct, which feeds into the duodenum. A smaller proportion of cells (here hidden) secrete hormones.
The pancreas is an organ located in the abdomen. It plays an essential role in converting the food we eat into fuel for the body’s cells. The pancreas has two main functions: an exocrine function that helps in digestion and an endocrine function that regulates blood sugar.
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