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[Schistosoma haematobium] [Schistosoma intercalatum] [Schistosoma japonicum] [Schistosoma mansoni] [Schistosoma mekongi]

Schistosoma mansoni eggs are large (114 to 180 µm long by 45-70 µm wide) and have a characteristic shape, with a prominent lateral spine near the posterior end.  The anterior end is tapered and slightly curved.  When the eggs are excreted in stool, they contain a mature miracidium.

A	B

A, B:  Eggs of S. mansoni in unstained wet mounts.  Images courtesy of the Wisconsin State Laboratory of Hygiene.

C	D

C, D:  Eggs of S. mansoni in unstained wet mounts.  Images courtesy of the Missouri State Public Health Laboratory.

E	F

E, F:  Eggs of S. mansoni in unstained wet mounts.