Learning Objectives

Immune System and Lymphoid Organs Objectives

  1. Understand that lymphoid organs usually show a network of reticular fibers or epithelial tissue filled with lymphocytes and other cells of the immune system.
    • A Mysterious Mass
    • The Suspicious Lesion
  2. Distinguish and recognize the specific structural features and regions of the thymus and understand the functional significance of these features in each.
    • A Mysterious Mass
  3. Understand special features of the circulation through the thymus.
    • A Mysterious Mass
  4. Understand the major regions of a lymph node and their functions.
    • The Suspicious Lesion
  5. Understand the roles of the lymph and blood vasculature in lymph nodes.
    • The Suspicious Lesion
  6. Recognize the major unencapsulated collection of lymphocytes in the mucosa-associated lymphoid tissue (MALT), including tonsils, Peyer’s patches, and appendix.
    • A Night in the ER
    • The Suspicious Lesion
    • A Mysterious Mass
  7. Understand the functions of MALT.
    • A Night in the ER
  8. Know the histological differences between white and red pulp in the spleen and their principal microscopic features.
    • A Night in the ER
  9. Understand the various functions of the spleen and which of its parts are responsible for these functions.
    • A Night in the ER