Hassal's corpuscles are seen in:: (A) Thymus, (B) Spleen, (C) Bone marrow, (D) Lymph node
Answer is A. Hasal's corpuscles/thymic corpuscles are structures found in the medulla of the human thymus, formed from type VI epithelial reticular cells.They are named for Ahur Hill Hassall, who discovered them in 1849.