ID#: 25727
Caption:
Under 100X magnification, this photomicrograph of a developing chick embryo highlights the histopathologic changes observed following inoculation of the egg with gonococcal bacteria. The region of the chorioallantoic membrane (CAM) shown here focuses on the ectoderm, the outermost of the three primary embryonic germ layers, which exhibits a localized area of thickening.
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Content Provider(s): CDC/ Bobby C. Brown, MD
Creation Date: 1961
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