Unformatted text preview: hagocytize bacteria and other foreign
particles Eosinophils – Attack and destroy foreign particles that have
been coated with antibodies of the IgE class
been Fig. 66-1. Maturation of blood cells.
With the exception of platelets and erythrocytes, all of the mature blood cells shown participate in immune
responses. However, only cells of lymphoid origin (cytolytic T cells, helper T cells, B cells) possess receptors
that can recognize specific antigens. (CFU = colony–forming unit.) 1Monocytes that have moved into tissues are
called macrophages.2Basophils that have moved into tissues are called mast cells. Antibodies
– Gamma globulins Family of structurally related glycoproteins
Mediate humoral immunity
Recognize and bind with specific antigens
Produced by B lymphocytes
Five classes of antibodies
– IgA, IgD, IgE, IgG, and IgM Antigens
Molecules that induce specific immune
May trigger production of antibodies or
cytotoxic T cells, or both
Antibodies recognize and bind selected
small portions of the antigen
More than one antibody can bind to the
Purpose is to protect...
View Full Document
This document was uploaded on 03/25/2014.
- Spring '14