Essentials of Anatomy and Physiology

320

CHAPTER 14

Chapter Outline

Lymph
Lymph Vessels
Lymphatic Tissue
Lymph Nodes and Nodules
Spleen
Thymus
Immunity
Innate Immunity
Barriers
Defensive cells
Chemical defenses
Adaptive Immunity
Cell-Mediated Immunity
Antibody-Mediated Immunity
Antibody Responses
Types of Immunity
Aging and the Lymphatic System

BOX14–1 HODGKIN’S DISEASE

BOX14–2 AIDS

BOX14–3 DIAGNOSTIC TESTS

BOX14–4 VACCINES

BOX14–5 ALLERGIES

BOX14–6 VACCINES THAT HAVE CHANGED OUR

LIVES

Student Objectives

• Describe the functions of the lymphatic system.


• Describe how lymph is formed.


• Describe the system of lymph vessels, and explain
  how lymph is returned to the blood.


• State the locations and functions of the lymph
  nodes and nodules.


• State the location and functions of the spleen and
  thymus.


• Explain what is meant by immunity.


• Describe the aspects of innate immunity.


• Describe adaptive immunity: cell-mediated and
  antibody-mediated.


• Describe the responses to a first and second expo-
  sure to a pathogen.


• Explain the difference between genetic immunity
  and acquired immunity.


• Explain the difference between passive acquired
  immunity and active acquired immunity.


• Explain how vaccines work.