memory B cell

Term ID

ZFA:0009333

Synonyms

• memory B lymphocyte
• memory B-cell
• memory B-lymphocyte

Definition

A memory B cell is a mature B cell that is long-lived, readily activated upon re-encounter of its antigenic determinant, and has been selected for expression of higher affinity immunoglobulin. This cell type has the phenotype CD19-positive, CD20-positive, MHC Class II-positive, and CD138-negative. (1)

Appears at

Unknown

Evident until

Adult (90d-730d, breeding adult)

References

• CL:0000787
• TAO:0009333

Ontology

Anatomy Ontology