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Lymphatic/Immune System (Lymphatic cells, structures, organs (Lymph Nodes,…

- - - - lymph capillaries= epithelial tissue
      - Easily take in interstitial fluid
      - have valves- keep lymph moving
      - Difference- lymph circulation is not a circuit like blood
    - - Capillaries-> vessels-> trunk-> ducts
      - Thoracic duct= "left"
      - right lymphatic duct= right head, thorax, upper right quadrant, right extremity
- - - - Bean shaped, several afferent vessels; 1-2 efferent vessels composed of reticular connective tissue
    - - "filter"- destruction of antigen, pathogen, foreign cells
    - - cervical, inguinal, mammary, axilliary
  - - - Digestive, respiratory, urinary, reproductive
    - - to destroy antigen, pathogen- prevent infection
    - - connective tissue with abundant lymphocytes
  - - - Tubal tonsils, palatine, lingual, pharangeal
    - - trap foreign cells, destroy, create memory lymphocytes
  - - - by stomach
    - - reticular tissue- "big lymph node"
    - - destroy pathogens, recycle old erythrocytes
  - - - superficial to heart
    - - epithelial tissue
    - - training of T-lymphocytes
  - - - Neutrophils
        
        phagocyte that destroys bacteria
      - Eosinophils
        
        phagocytes for allergens and parasites
      - Basophils
        
        Secrete substance that brings about inflammation
    - - Lymphocytes
      - Monocytes
        
        In blood vessels- in tissue- become macrophages