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Lymphatic System and disease

Lymphatic System and disease

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Lymph Lymph Presentation Transcript

  • The Lymphatic and
    Immune System
    Power Point Presentation
  • Function of the Lymph Capillaries
    The Lymphatic system is made up of lymph capillaries that drain into larger vessels. At the end of the lymphatic capillaries there are endothelial valves. The valves form as a result of the slightly overlap of the endothelial cells and the overlapping edge has an inward opening. The valves open enough to allow fluid and plasma protein to pass into the lymphatic capillary. Lymphatic capillaries are made up of a single layer of endothelial cells. They are attached to the surrounding connective tissue by special filaments called the anchoring filaments. The system begins with many sacs. Each sac has a low hydrostatic pressure relative to the outside of the sac. Lymph vessels are closely associated with the circulatory system vessels. Larger lymph vessels are similar to veins. Lymph capillaries are scatted throughout the body. Contraction of skeletal muscle causes movement of the lymph fluid through valves.
    Google imaging Lymph Capillaries
  • Lymph Organs
    Lymph organs include the bone marrow, lymph nodes, spleen and thymus glands. Bone marrow contains tissue that produces lymphocytes. B-cells mature in the bone marrow. T-cells mature in the thymus gland. Other blood cells such as monocytes and leukocytes are produced in the bone marrow.
    Google imaging Lymph Organs
  • Lymph Nodes
    Lymph nodes are areas of concentrated lymphocytes and macrophages along the lymphatic veins. The spleen is similar to the lymph node except that it is larger and filled with blood.
    A lymph node is a small bean like shaped organ of the immune system. Lymph nodes are found though out the body and act as filters or traps for foreign particles. They contain white blood cells that use oxygen to process. They are important in the proper functioning of the immune system.
    http://en.wikipedia.org/wiki/Lymph_node
  • Function of the Spleen
    The spleen's main function is its filtering process. The spleen serves as a reservoir for blood and filters and purifies the blood and lymph fluid that flows through it. It helps to filter the blood by destroying bacteria damaged blood cells and damaged platelets. The spleen can also act as a storage organ for extra blood. When slightly enlarged (but not in danger) the spleen may hold up to a cup of blood in itself. It can make this blood available to the body in emergency situations such as a wound which causes a lot of blood loss.
    http://www.daviddarling.info/images/spleen_side.jpg
  • Hodgkin’s Disease
    There are two types of Hodgkin’s Disease:
    Hodgkin’s Lymphoma
    Non-Hodgkin’s Lymphoma
  • Hodgkin’s Lymphoma
    • cancer that affects your lymphatic system.
    • can spread into other parts of your body.
    immune system becomes unable to fight infection.
    • This type of cancer is very treatable.
    • treatments includechemotherapy, radiation, and bone marrow or stem cell transplant.
  • Non – Hodgkin’s Lymphoma
    • tumors develop from lymphocytes, which is a type of red blood cell.
    • more common than Hodgkin’s Lymphoma.
    • may not have any signs or symptoms.
    • If you are showing signs and symptoms there are several treatment options available to you.
    • You may receive chemotherapy, radiation, stem cell transplant, or oral medications.
  • Hives
    Hives are usually raised red spots that are itchy. They are usually caused by an allergic reaction but can be triggered by other things as well. Hives can be a sign of a more serious condition such as lupus or thyroid disease.
  • Hives
  • Vaccinations
    Vaccinations give our immune systems a chance to form antibodies to protect us from diseases. Typically we start receiving them as infants.