Humoral Immunity

1. Cells

1.1. Helper T-cells

1.2. B-Cells

1.2.1. Follicular B cells (most common)

1.2.1.1. Mediate T-dependent response & grow into long-lived plasma cells

1.2.2. Same function as follicular B cells, but in mucosal lining and peritoneum.

1.2.3. B-1 cells

1.2.4. Memory B cells

1.2.4.1. Some spontaneously make IgM antibodies

1.2.4.1.1. IgM antibodies = natural antibodies.