Bone-marrow-derived lymphocyte bearing surface immunoglobulin (BCR). Class-switches + somatically hypermutates in germinal centres. Effector plasma cell secretes soluble antibody; memory B cell persists.
Bone-marrow-derived lymphocyte bearing surface immunoglobulin (BCR). Class-switches + somatically hypermutates in germinal centres. Effector plasma cell secretes soluble antibody; memory B cell persists.