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The two functions of the pancreas
Exocrine and endocrine gland
Exocrine meaning
Product is secreted into a duct
Exocrine examples
Saliva and sweat
Endocrine meaning
Hormones are secreted directly into the bloodstream
Types of glands
Mammary, sebaceous, gastric
Pancreas exocrine system
Pancreatic acini produce digestive enzymes a which are then released into pancreatic ducts that lead to the small intestine.
What are digestive enzymes
Amylases, proteases and lipases
Pancreas endocrine system
Alpha cells produce glucagon and Beta cells produce insulin in the Islets of Langerhans, which have capillaries nearby to release into the bloodstream to find the target cells
How are blood glucose levels controlled by the Islets of Langerhans?
Negative feedback
How is differential staining used for the pancreas
Used to stain specific cels like alpha and beta cells in the islets of langerhans, using different stains, specialised for insulin or glucagon.
