What structures are found along lymphatic vessels and are heavily clustered in the armpit, groin, and neck? 

Allergic patients receiving small, controlled injections of specific allergens are undergoing 

In multiple sclerosis (or “MS”), autoantibodies attack 

All of the following are autoimmune diseases except 

Match the letters (A to H) shown in the figure above to the IgG antibody part names.

Which process involves antibodies cross-linking cells or particles into large aggregates? 

The four classic signs and symptoms of inflammation include all of the following EXCEPT:

Which is INCORRECT about the Fc region of an antibody (or immunoglobulin)?

Helper T cells 

The property of a test to detect even small amounts of antibodies or antigens that are test targets is _________ , while the property of a test to detect only a certain antibody or antigen and not to react with any others is __________ .