How are lymphatic vessels compared to those of veins?
They are thinner
What are Internal Defenses? Explain
Cells and Chemicals
What are found in your tonsils?
Tonsillar crypts An incomplete fibrous capsule Patches of lymphatic tissues
What causes tonsillitis? Explain
They carry out this function so efficiently that sometimes they become congested with bacteria and become red, swollen, and sore, a condition called tonsilitis.
What do lymphatic pathways start as?
Lymphatic capillaries that merge to form larger vessels that empty into the circulatory system.
What is a natural killer cell?
A lymphatic cell that functions to non-specifically target bacteria, transplanted tissue cells, and virally infected or cancerous host cells
What is Helper T cells?
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Tell me about Machrophages
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Give one example of Surface Membrane Barriers. Explain
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Tell me the location of payers patches and its function
The macrophages of Peyer’s patches are in an ideal position to capture and destroy bacteria (always present in tremendous numbers in the intestine),
What is the difference between Natural passive immunity and Natural passive immunity?
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What are the two parts of the lymphatic system? Contrast
The lymphatic system actually consists of two semi-independent parts: (1) a meandering network of lymphatic vessels and (2) various lymphoid tissues and organs
What are Antibodies?
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What is the function of tonsils?
Their job is to trap and remove any bacteria or other foreign pathogens entering the throat.
Contrast Humoral immunity and Cellular Immunity?
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What is Adaptive Body Defenses? Explain
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What is IgM?
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What is the difference between naturally acquired and artificially acquired immunity?
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What do you mean by Innate Defense System?
responds immediately to protect the body from all foreign substances
What are lymph nodes?
A small organ found along the course of a lymphatic vessel that filters the lymph and functions as an activation site for B and T cells
Tell me about Lymphocytes
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What is IgA?
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The functions of the lymphatic system
Fluid balance. Fat Absorption. Defense
What do the lymphatic vessels transport to the circulatory system?
Fats
When is the peak of thymus gland functions? Why?
The thymus gland functions at peak levels only during youth.
Contrast Active and Passive Humoral Immunity
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What are Phagocytes? how do they help the body?
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what is IgD?
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What are T cells?
The rest of the cortical cells are lymphocytes “in transit”, the so-called T cells that circulate continuously between the blood, lymph nodes and lymph
What are Antigens?
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Tell me about the spleens location and function.
The spleen is located on the left side of the abdominal cavity, just beneath the diaphragm, and curls around the anterior aspect of the stomach.
What is the function and location of your thymus gland?
The thymus gland produces thymosin and others, that function in the programming of certain lymphocytes so they can carry out their protective roles in the body.
Explain The Inflammatory Process
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What are lymph nodes?
Mass of lymphoid tissue
How do lymph nodes in particular help protect the body?
The lymph nodes in particular help protect the body by removing foreign material such as bacteria and tumor cells from the lymphatic stream and by producing lym
What is IgG?
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What is the lymphatic system composed of?
A network of vessels that circulate body fluids.
What is IgE?
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What is a function of the lymphatic system?
Transport excess fluid away from interstitial spaces between cells in most tissues and return it to the blood stream, Help defend body against invasion.
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