A granuloma is composed of
(A) Fused macrophages (giant cells)
(B) Epithelioid cells
(C) A mixture of chronic inflammatory cells
(D) Fibroblasts
Choose the correct answer from the options given below:
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A classic granuloma is structured like an onion: the target pathogen is in the center, wrapped by epithelioid and giant cells (A, B), surrounded by lymphocytes (C), and finally sealed by a outer fibrous wall of fibroblasts (D).