Pathology Radiation affects all three germ layers (ectoderm mesoderm and endoderm) in which of the following A Teratoid cyst B Dermoid cyst C Thyroglossal cyst D Branchial cyst 💡 Explanation Radiation affects all three germ layers (ectoderm mesoderm and endoderm) in which of the following ✓ Correct Answer: A. Teratoid cyst