Memory B Cells

**Definition:** A subset of activated B cells generated in response to primary immune challenge or immunization which are capable of giving rise to antibody-secreting cells upon re-challenge (see IMMUNOLOGIC MEMORY). Memory B cells feature many discrete properties indicative of differentiation through ISOTYPE SWITCHING and/or IMMUNOGLOBULIN SOMATIC HYPERMUTATION for rapid and robust recall of specific antibody responses.

**Tree numbers:** - A11.063.438.450.650 - A11.118.637.555.567.269.500 - A11.118.637.555.567.550.450.650 - A11.118.637.555.567.562.200.650 - A15.145.229.637.555.567.550.450.650 - A15.145.229.637.555.567.562.200.650 - A15.382.032.438.450.650 - A15.382.490.555.567.562.450.650

**Synonyms:** - Memory B-Lymphocytes