Immunology

Antibodies

Special Protein built by immune system

Sticks to anything not you!

Shape like "Y"

Two Heavy Chains Two Light Chains

Variable Region (V)

CL

VH

VL

CL

VL

CH

VH

Constant Region (C)

IgG

Only antibody type to protect fetus

Major antibody in blood & spinal fluid

IgM

First produced

Good at clumping

IgA

External Secretions

IgD

Always attached to B Cell

Development

IgE

Fight parasites

Overactive in allergies