1. a cell that develops from a B lymphocyte in reaction to a specific antigen; found in bone marrow and sometimes in the blood; [syn: plasma cell, plasmacyte]
WordNet (r) 3.0 (2006):
plasmacyte
n 1: a cell that develops from a B lymphocyte in reaction to a
specific antigen; found in bone marrow and sometimes in the
blood [syn: plasma cell, plasmacyte]