Cells and Organs of Immune system PDF

Cells and Tissues of the Immune System  Disclaimer The material in this presentation has been obtained from different sources including books, published papers and online resources. It is intended only for educational purposes. Most of the presented...

Cells and Tissues of the Immune System  Disclaimer The material in this presentation has been obtained from different sources including books, published papers and online resources. It is intended only for educational purposes. Most of the presented material comes from the following: i. Veterinary Immunology by Tizard 10th ed. ii. Basic Immunology by Abbas et al. 4th and 5th ed. iii. Janeway’s Immunobiology  Learning Objectives 1. List types of white blood cells, approximate percentages of each, and their half-lives. 2. Explain role of endothelial cells in immune responses. 3. Know where different types of immune cells originate and mature. 4. List primary and secondary lymphoid tissues. 5. Describe distribution of lymphocytes in body. 6. Explain overall lymphatic circulation. What have we learned so far? Blood Cells TERMINOLOGY Leukocyte: Any white blood cell (WBC) Lymphocyte: a type of WBC (T cell, B cell and NK cell) Granulocyte = Polymorphonuclear cells = neutrophils, eosinophils, basophils Mononuclear cells = lymphocyte or monocytes  Blood Cells Endothelial cells Talaro and Talaro. Foundations in Microbiology, 3rd Edition Platelets Lymphocyte Capillary