tailieunhanh - Lecture Human anatomy (6/e): Chapter 23 - Martini, Timmons, Tallitsch

Chapter 23 - The lymphoid system. In this chapter we will describe the anatomical organization of the lymphoid system and consider how this system interacts with other systems and tissues to defend the body against infection and disease. | I HUMAN ANATOMY SIXTH EDITION C h a p t e r 23 MARI I XI TIMMONS I Al LITSCH The Lymphoid System PowerPoint Lecture Slides prepared by Jason LaPres North Harris College Houston Texas Copyright 2009 Pearson Education Inc. publishing as Pearson Benjamin Cummings Introduction The lymphoid system Lymphatic vessels Lymph fluid connective tissue Lymphoid tissues Lymphoid organs Plays central role in body s defenses against viruses bacteria and other microorganisms Lymphatic vessels originate in peripheral tissues and deliver lymph to the venous system. Copyright 2009 Pearson Education Inc. publishing as Pearson Benjamin Cummings An Overview of the Lymphoid System Lymph consists of Interstitial fluid which resembles blood plasma but with a lower concentration of proteins Lymphocytes cells responsible for the immune response Macrophages of various types Copyright 2009 Pearson Education Inc. publishing as Pearson Benjamin .