Clonorchiasis egg

(A, B) Clonorchis sinensis eggs. The small knob at the abopercular end is visible in A. Also note the operculum resting on "shoulders" in B; image taken at 400x magnification.

Reproduced from: Centers for Disease Control and Prevention. DPDx: Clonorchiasis. Available at: http://www.cdc.gov/dpdx/clonorchiasis/index.html.

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