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The lymphatic system consists of a network of lymphatic ____, tissue, ____, and other lymphoid ____.
- Vessels
- Lymph nodes
- Organs
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What are the functions of the lymphatic system?
- Transport lymph fluid to blood vessels
- Protect body from foreign material by providing a "home" for the immune system
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Lymphatic _____ pick up the leaked fluid (water and dissolved proteins) and carry it through lymphatic collecting vessels to lymphatic trunks.
capillaries
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_____- drains lymph from the right upper extremity, head, and thorax delivered by the jugular, subclavian and bronchomediastinal trunks.
Right lymphatic duct
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_____ - receives lymph from the rest of the body other than the areas covered by the right lymphatic duct.
Thoracic duct
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Both main ducts empty the lymph into ____ circulation on their respective sides of the body
venous
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Lymph is filtered by _____. If bacteria or abnormal cells appear, macrophages destroy it and any foreign matter.
lymph nodes
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Lymphatic system is a ____ system and carries lymph towards the heart.
one-way
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_____-swelling in the tissues that occurs when fluid remains in the tissues
Edema
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Lymphoid Organs: thymus, lymph nodes, _____, tonsils, _____, and bone marrow
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Primary lymphoid organs?
bone marrow & thymus
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Secondary lymphoid organs?
lymph nodes, spleen, tonsils & appendix
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_____ - is a systemic response that protects us from bacterial and viral infections, toxins and cancer. If this system fails, the body is devastated by pathogens.
-immune response
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Most important characteristics of the immune response are . . .
Name the 3.
- Memory
- Specificity
- Ability to differentiate self from nonself.
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antigen- anything that has the capability to provoke an _____.
Immune response
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_____- the inability of the immune system to distinguish self from non-self, are own tissues are attacked by the immune system.
autoimmunity
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_____-event indicated by the appearance of specific cell-surface proteins which enables immune response.
**after differentiation, B and T cells enter the blood stream where clonal selection occurs. -clonal selection is triggered when an antigen binds to the surface receptors of a B or T cell.
Immunocompetent
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- Top to bottom:
- Follicles
- Trabecula
- Subcapsular Sinus
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- Top to bottom:
- Capsule
- Medullary Cords
- Medullary Sinuses
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- Left: Hepatic Lymph Nodes
- Right: Cisterna Chyli
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- Top: Thoracic Duct
- Bottom: Peyers Patches
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- Top: Cervical Lymph Nodes
- Middle: Axillary Lymph Nodes
- Bottom: Right Lymphatic Duct
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- Top: Thoracic Duct
- Bottom: Bronchial Lymph Nodes
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- Top to Bottom:
- Capsule
- White Pulp
- Red Pulp
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- Top to Bottom:
- Capsule
- Splenic Cords
- Arterioles and capillaries
- White pulp
- Splenic Artery
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- Top to Bottom:
- Trabecula
- Splenic Sinusoids
- Red Pulp
- Central Artery
- Splenic Vein
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As the heart contracts, blood is pumped into:
Largest arteries, smaller arteries, _____, capillaries, _____, Smaller veins, and largest veins.
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