Immuno_1_outline - These act as physical and chemical...

Info iconThis preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon
1 BIOLOGY OF AIDS – BIO 80J IMMUNOLOGY LECTURE INTRODUCTION: The current model is that AIDS results from a viral infection by the Human Immunodeficiency Virus, HIV, which eventually destroys the immune system. To better understand how this works, we need to understand how the immune system works. At the base of the immune system is an intricate collection of cells and fluids in the body that act in concert to fight off infections. Non-Specific Defense Mechanisms Specific Defense Mechanism (Immune System) First line of defense Second line of defense Third line of defense Figure 1. Overview of the body's defense mechanisms. THE SKIN AND MUCOUS MEMBRANES
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Background image of page 2
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: These act as physical and chemical barriers. ANTIMICROBIAL PROTEINS 2 INNATE IMMUNITY and the INFLAMMATORY RESPONSE PHAGOCYTIC WHITE CELLS AND NATURAL KILLER (NK) CELLS Neutrophils Monocytes Macrophages Natural killer cells THE IMMUNE SYSTEM a secondary response which is both a specific and adaptable means of surveillance. IMMUNOLOGY (the study of the immune system) arose from the observation that people who survive infections rarely get the same infection again. This is what we call protective immunity . THE IMMUNE RESPONSE There are four fundamental characteristics :...
View Full Document

Page1 / 2

Immuno_1_outline - These act as physical and chemical...

This preview shows document pages 1 - 2. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online