These cells are organized into clusters called islets of Langerhans, which are embedded within the exocrine tissue of the pancreas.
Here's a breakdown:
* Pancreas: An organ with both exocrine and endocrine functions.
* Exocrine function: Produces digestive enzymes.
* Endocrine function: Produces hormones through the islet cells.
* Islet cells: Specialized cells within the islets of Langerhans, each responsible for secreting a specific hormone.
* Alpha cells: Secrete glucagon, which raises blood glucose levels.
* Beta cells: Secrete insulin, which lowers blood glucose levels.
* Delta cells: Secrete somatostatin, which inhibits the release of insulin and glucagon.
* PP cells: Secrete pancreatic polypeptide, which regulates digestive processes.
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