显微镜下，可见巨噬细胞内大量鸟型分枝杆菌，已用抗酸染色标记出来。
Microscopically, Mycobacterium avium-intracellular infection is marked by numerous acid fast organisms growing within macrophages.
花球是白色光滑的半球状结构，内部是短缩的分枝，表面是大量增生的分生组织。
Cauliflower curd is a white smooth semi-spherical structure, with shortened branches inside and a mass of proliferated meristems outside as surface.
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