Chapter 6:Blood and the Lymphatic

and Immune Systems

Lindy Bavolek

Phagocytosis (page 171) The process of engulfing or ingesting

material Several types of white blood cells function

by engulfing bacteria Critical for the control of bacteria within the

body

Phagocytosis

Sarcoidosis (page 189) Inflammatory disease of the lymph system

in which fibrous lesions appear Disease is of unknown cause Lesions commonly appear in the liver, skin,

lungs, lymph nodes, spleen, eyes, and small bones of the hands and feet

Sarcoidosis

Before and after picture

Hodgkin’s Disease (page 189) Cancer of the lymphatic cells found in

concentration in the lymph nodes Also called Hodgkin’s lymphoma Named after Thomas Hodgkin, a British

physician, who first described it

Hodgkin’s Disease

A normal cell compared to an abnornal cell in a patient with Hodgkin’s disease