The pancreas is classified as__________?
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Answer: D. All of the above
Explanation
The pancreas functions simultaneously as both an endocrine gland and an exocrine digestive gland. Endocrine cells secrete hormones like insulin and glucagon directly into the bloodstream. Exocrine acinar cells secrete powerful digestive enzymes through ducts into the small intestine. Glands are classified based on whether they secrete products into ducts or directly into blood. Islets of Langerhans contain the specialized hormone producing cells within the pancreatic tissue. Pancreatic juice contains enzymes essential for digesting proteins, carbohydrates, and lipids.
Pancreatic dysfunction leads to serious metabolic disorders such as diabetes mellitus and malabsorption. Medical treatments for digestive failure often involve oral enzyme replacement therapy. Surgeons must carefully manage both endocrine and exocrine functions during pancreatic operations. Classifying it solely as an endocrine gland ignores its vital exocrine digestive enzyme secretion. Describing it only as an exocrine gland overlooks its crucial blood sugar regulatory hormones. Calling it only a digestive gland misses its equally important endocrine hormone production role.
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