50.Giant cells are a "committee" of epithelioid macrophages. Seen here are two Langhans type giant cells in which the nuclei are lined up around the periphery of the cell. Additional pink epithelioid macrophages compose most of the rest of the granuloma.

50.巨细胞是类上皮细胞的融合体,图示两个巨细胞,核在细胞周围排成一列。另见肉芽肿其余部分主要由粉红色的类上皮细胞组成。