双语教学

Explain of Immunopathology

4. Antinuclear antibody test, speckled pattern, fluorescence microscopy

These are Crithidia organisms, whose sole purpose for existence is to serve as a substrate for the double stranded DNA test. Here the little critters have brightly fluorescing kinetoplasts indicative of a positive test. A positive double stranded DNA test strongly suggests a diagnosis of SLE.

（本图片资料来源自美国犹他大学）