phagocytes « Back to Glossary IndexImmune cells in the body that ingest pathogens and kill them. Related Articles: 14 – 3 Microbes face many challenges when associating with a host14 – 4 Pathogenic outcomes15 – 2 Important Introductory Concepts of the Immune System15 – 4 The Immune System Is a Complex Collection of Organs, Tissues, and Cells15 – 5 The Innate Immune System« Back to Glossary Index