Hassal's corpuscles are seen in: (A) Thymus, (B) Thyroid, (C) Parathyroid, (D) Spleen
Answer is A. Corpuscles of hassall present in the medulla of thymus Formed from eosinophilic epithelial reticular cells arranged concentrically INDERBIR SINGH'S TEXTBOOK OF HUMAN HISTOLOGY SEVENT EDITION PAGE NO139