plasma cell plasma body • plasmacyte · · · Info · Definitions · Synonyms · Characters · · plasma cell · · Text Common · · Latin · · Scripts 11 · · Length 3 · · Syllables Definitions · · · (noun) a cell that develops from a B lymphocyte in reaction to a specific antigen; found in bone marrow and sometimes in the blood. Synonyms: plasma cell, plasmacyte. · · Noun Definition 1 Synonyms · · · plasmacyte · · Synonym 1 Characters · · space U+0020 a latin small letter a U+0061 c latin small letter c U+0063 e latin small letter e U+0065 l latin small letter l U+006C m latin small letter m U+006D p latin small letter p U+0070 s latin small letter s U+0073