结核分枝杆菌：抗酸染色 免疫荧光 脾粟粒性肉芽肿性炎（大体） 肠系膜上淋巴结 巨噬细胞内见鸟型分枝杆菌
This is an acid fast stain of Mycobacterium tuberculosis (MTB). Note the red rods--hence the terminology for MTB in histologic sections or smears: acid fast bacilli.
