Pancreas

Bile duct

Pancreatic duct

Bile duct

Pancreatic duct

Pancreas

Gall bladder

Duodenum

Pancreas

Gall bladder

Duodenum

Fig 11.9 The pancreas

The pancreas is situated behind the stomach between the duodenum and the spleen. It is divided into a head, body and tail. The head is the expanded portion that fits into the C-shaped curve of the duodenum. The pancreas is composed of numerous lobules, each containing secretory alveoli (small sac-like cavities) which contain cells that produce pancreatic juice. In between the network of alveoli are the islets of Langerhans which produce insulin.

KEY FACT

Without insulin no glycogen can be stored in the liver and muscles and glucose cannot be oxidised to produce energy.

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