Lymphatic System

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Lymphatic System

• Immunity

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Function

• Drain fluid and protein
• Transport fats
• Produce lymphocytes
• Develop antibodies

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Lymph Vessels

• Lymph
• Interstitial fluid
• Lymph capillaries (blind-ended)
• Permeability

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Lymphatics

• Travel along the veins
• Thoracic Duct
• Drains left upper body and below the ribs and
  dumps into junction between l. internal jugular
  and l. subclavian vein
• Right Lymphatic Duct
• Drains right upper body and dumps into junction
  between right internal jugular and right
  subclavian vein

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Lymph Nodes

• Filters lymph
• Removes debris
• Makes lymphocytes ?Plasma Cells ? Antibodies

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Tonsils

• Pharyngeal (adenoid)
• Palatine
• Lingual
• Make lymphocytes

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Spleen

• Red pulp
• Stores RBCs, eats old RBCs
• White pulp
• Makes lymphocytes, phagocytosis

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Thymus

• Puberty
• T cells
• Cell-mediated immunity that responds to antigens
  such as parasites, cancer cells, intracellular
  viruses, transplants

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