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Lymphatic System (Pathology connections (Tonsillitis is an inflammation of…

- - - - This attracts macrophages and NK cells to the infection site. Destroy more infected cells by phagocytosis
- - - - Several lymph capillary networks empty into lymphatic vessels. These are structurally similar to veins. Prevents back flow.
        
        Larger lymphatic vessels empty into lymph nodes. Ranging from the size of an olive, to pin head.
        
        Inside the nodes are sections of lymphatic tissue containing WBCs known as lymphocytes. The tissue is surrounded by lymphatic sinuses filled with lymph fluid.
        
        Lymphatic vessels exiting lymph nodes empty into one of several lymphatic trunks.
        
        These trunks are names based off of their located, including the lumbar, intestinal, intercostal, bronchomediastinal, subclavian, and jugular.
        
        The lumbar, intestinal, and intercostal trunk all empty into the thoracic duct, which is the largest lymph vessel.
        
        The bronchomediastinal, subclavian, and jugular all empty into the right lymphatic duct, a smaller duct within the right thorax that empties into the right subclavian vein.
    - - Palatine tonsils, located on either side of the oral pharynx.
      - Adenoids, located at the rear of the nasal pharynx.
      - Lingual tonsils, located at the base of the tongue.
  - - - Lymph is straw colored, clear fluid that is similar to blood plasma. Primary component is water. Also contains digested nutrients, such as fats, gases, such as oxygen, proteins, and WBCs called lymphocytes and macrophages.