dopa reaction
(redirected from Bloch 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