powerpoint

2. Name of the teacher: SONU.TS
Name of the topic: Structure of villus
Subject: Biology

3. INTRODUCTION
• Villus are finger shaped structure
• These are present in the inner surface of small
intestine

4. Lymph vessel
Branch of artery
Branch of vein
The structure of villus

5. Major parts of villus
• Lacteal
• Capillaries
• Lymph vessel
• Branch of vein
• Branch of artery

6. • Arterioles enter the villus and further divided
in to small branches
• They join together again to form small vein
• Capillaries- group of small blood vessels that
connects the vein with arteries
• Lacteal- a small branch of the lymph vessel
present in villus

7. • 40 to 50 villi are seen with in each square
millimeter of small intestine
• Function of villi is nutrients absorption from
small intestine