Thank you for submitting comments. Your input has been emailed to ZFIN curators who may contact you if
additional information is required.
Oops. Something went wrong. Please try again later.
memory B cell
memory B lymphocyte
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.