proplasmacyte

pro·plas·ma·cyte

(prō-plaz'mă-sīt), A cell in the process of differentiating from a plasmablast to a mature plasma cell.

proplasmacyte

(prō-plăz′mă-sīt) [Gr. pro, before, + LL. plasma, form, mold, + Gr. kytos, cell] The precursor of the plasma cell.