dopa reaction

do·pa re·ac·tion

a dark staining observed in fresh tissue sections to which a solution of dopa has been applied, presumably due to the presence of dopa oxidase in the protoplasm of certain cells. Synonym(s): Bloch reaction

Bloch,

Marcel, French physician, 1885-1925. Bloch reaction - a dark staining observed in fresh tissue sections to which a solution of dopa has been applied. Synonym(s): dopa reaction