Cellular Macrophages Phagocytic.Synthesise lysozyme,lactoferrin,C3,C4 Lymphocytes T-cells may trasfer delayed hypersensitivity responses to infant. B-cells synthesis Ig A Macrophages Phagocytic. Synthesise lysozyme, lactoferrin, C3,C4 Cellular Lymphocytes T-cells may trasfer delayed hypersensitivity responses to infant. B-cells synthesis Ig A