CD marker for cytotoxic-: (A) CD 4, (B) CD 8, (C) CD 21, (D) CD 45
Answer is B. harshmohan textbook of pathology 7th edition. *T suppressor cells ,they suppresses immune reaction but are cytotoxic and actually destroy the invading antigen.these cells (cytotoxic T lymphocytes) carry CD8 molecules on their surface and hence are also called CD8+ cells.