Opisthorchis sinensis (Clonorchis sinensis) (continued)
OVA
SIZE: 30 x 15 mcm (small, 12 end to end per HPF).
SHAPE: Vaselike.
COLOR: Yellowish-brown.
OPERCULUM: Present, pronounced.
CONTENT: Asymmetrical miracidium, "boxer's glove" appearance.
ABOPERCULAR COMMA: May be seen.
BROAD OPERCULAR SHOULDERS
Figure 3-19. Stages of Opisthorchis sinensis. (continued)
ADULT
SIZE: 10 to 20 mm long by 2 to 5 mm wide (medium).
SHAPE: Oval, elongated.
COLOR: Golden brown to pinkish.
INTESTINAL CECA: Straight.
TESTES: Dendritic and tandem.
MD0842
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