Pathology General pathology 584cbf93 Amyloid (AA) originates from - A RBC B Plasma cell C Reticulo-endothelial cell D Lymphocytes High-Yield Explanation Answer is option 3 Amyloidosis: origin from fixed periodic acid-Schiff positive reticuloendothelial cells in loco and basic factors in pathogenesis. httpp://www.ncbi.nlm.nih.gov.in