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Diphyllobothriasis
[Diphyllobothrium latum] [Diphyllobothrium spp.]
Diphyllobothrium latum egg Diphyllobothrium latum egg
A B

A, B: Eggs of Diphyllobothrium latum.  These eggs are oval or ellipsoidal, with at one end an operculum that can be inconspicuous.  At the opposite (abopercular) end is a small knob that can be barely discernible.  The eggs are passed in the stool unembryonated.  Size range: 58 to 76 µm by 40 to 51 µm.

Diphyllobothrium latum egg Diphyllobothrium latum egg
C D

C, D: Eggs of Diphyllobothrium latum.  These eggs are oval or ellipsoidal, with at one end an operculum (arrows) that can be inconspicuous (D).  At the opposite (abopercular) end is a small knob that can be barely discernible (C).  The eggs are passed in the stool unembryonated.  Size range: 58 to 76 µm by 40 to 51 µm.  Figure C contributed by Georgia Division of Public Health.

 

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