Small intestine

Small intestine

1. The small intestine extending from the pyloric sphincter to the ileocecal valve where it joins the large intestine.

2. Duodenum

   • The bile duct, delivering bile from the liver, and the main pancreatic duct, carrying pancreatic juice from the pancreas, unite in the wall of the duodenum in a bulblike point called the hepatopancreatic ampulla

3. Jejunum

   • Extends from the duodenum to the ileum

4. Ileum.

   • The ileum, approximately 3.6 m in length, joins the large intestine at the ileocecal valve

5. Intestinal Juice

   • The intestinal glands normally secrete 1 to 2 L of intestinal juice daily. Normally, intestinal juice is slightly alkaline (7.4–7.8), and isotonic with blood plasma

6. Liver

   • Its digestive system function is to produce bile for export to the duodenum. Bile is a fat emulsifier that breaks down fats into tiny particles to make them more readily digestible.

7. The Gallbladder

   • The gallbladder stores bile When is empty, the mucosa has creases similar to the stomach, allow the organ to expand as it fills. Its muscular wall contracts to expel bile into the cystic duct. From there bile flows into the bile duct.

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