Pathology The accepted nomenclature of amyloidosis is AX. What stands for A and X: A A-Amyloid X protein in the fibril B A- Amyloid X- beta pleated structure C A-Amyloid X- helical structure D A- Amyloid X -birefringent 💡 Explanation The accepted nomenclature of amyloidosis is AX. What stands for A and X: ✓ Correct Answer: A. A-Amyloid X protein in the fibril