Duodenum

Table of Contents

• Duodenum
• Roles of Liver
• Role of Pancreas
  • Trypsin
  • Pancreatic Amylase
  • Pancreatic Lipase
• Summary
• What’s Next?

In the previous segment, we learnt about the Stomach. In this segment, we will learn about the Duodenum.

What is Duodenum?

• The first part of the small intestine is called the Duodenum.
• Most of the digestion takes place in this small part.
• The digestion is aided by the juices secreted by the glands.
• Two glands release their juices in the duodenum: Liver and Pancreas.

Duodenum, liver and pancreas

What is the Role of the liver in the digestion?

• The liver is the largest gland of the body.
• It secretes a fluid called Bile which is stored in the Gallbladder.
• The bile breaks down the big fat droplets into tiny droplets. This process is known as

Emulsification.

What is the Role of the pancreas in the digestion?

• The pancreas is the second-largest gland of our body.