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Questions and Answers
Which of the following are components of the lymphatic system? (Select all that apply)
Which of the following are components of the lymphatic system? (Select all that apply)
What are the main functions of the lymphatic system? (Select all that apply)
What are the main functions of the lymphatic system? (Select all that apply)
What are lymph nodes?
What are lymph nodes?
Glands that produce lymphocytes in areas such as the groin, armpits, and neck.
What are lacteals?
What are lacteals?
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Why do lymph nodes become enlarged?
Why do lymph nodes become enlarged?
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What is the function of the tonsils?
What is the function of the tonsils?
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What does the spleen do?
What does the spleen do?
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What is the function of the thymus gland?
What is the function of the thymus gland?
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What are Peyer's patches?
What are Peyer's patches?
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Study Notes
Components of the Lymphatic System
- Lymph is a clear fluid that circulates through the lymphatic system, carrying immune cells and waste products.
- Lymph Vessels are a network of tubes that transport lymph throughout the body.
- Lymph Nodes act as filters that trap pathogens and house lymphocytes for immune response.
- Tonsils are small masses of lymphoid tissue that produce lymphocytes in response to pathogens.
- The Spleen recycles old red blood cells and platelets, stores blood, and produces lymphocytes.
- The Thymus Gland is where T-Lymphocytes mature, essential for adaptive immunity.
- Peyer's Patches are lymphoid tissues in the small intestine that contain macrophages to destroy bacteria.
Functions of the Lymphatic System
- Returns excess lymph that leaked from capillaries back to the right ventricle of the heart.
- Transports dietary fats from the digestive tract to the bloodstream.
- Produces lymphocytes, which play a crucial role in the immune system.
- Contributes to the development of immunity by facilitating immune responses.
Lymph Nodes
- Lymph Nodes are glands located in areas such as the groin, armpits, and neck.
- They produce lymphocytes, responding to pathogens and filtering lymph.
- Contain macrophages that help remove pathogens from the lymphatic fluid.
Lacteals
- Lacteals are specialized lymphatic vessels located in the intestinal villi.
- They absorb dietary fats and transport them to the circulatory system.
Enlarged Lymph Nodes
- Lymph Nodes enlarge when they become overwhelmed with pathogens, indicating active immune response.
Spleen Functions
- Recycles bacteria, old platelets, and red blood cells.
- Releases hemoglobin for reuse in the body.
- Produces lymphocytes and plasma cells critical for the immune response.
- Acts as a blood reservoir, storing blood for emergencies.
Thymus Gland Role
- The Thymus Gland is crucial for T-Lymphocyte production and maturation, vital for developing a functional immune system.
Peyer's Patches
- Located in the wall of the small intestine, similar in function to tonsils.
- Contain macrophages that play a key role in destroying bacteria, protecting the intestinal tract.
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Description
Test your knowledge of the lymphatic system's components and functions with these flashcards. Learn important terms, including lymph, lymph vessels, lymph nodes, and their roles in the immune system. Perfect for students studying anatomy or biology.
