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Ascariasis
A fertilized egg of the roundworm Ascaris lumbricoides at magnification x 400. Fertilized eggs are rounded, with a thick shell. Unfertilized eggs are elongated, are larger, have thinner shells, and are covered by a more visible mammillated layer, which is sometimes covered by protuberances
Public Health Image Library, CDC
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Ascariasis
Photograph of 2 Ascaris lumbricoides nematodes; the larger one on the left is female and that on the right is male. Adult females can grow to >12 in (30 cm) in length
Public Health Image Library, CDC
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Ascariasis
Laboratory technician holding a mass ofAscaris lumbricoides worms excreted by a child in Kenya
Public Health Image Library, CDC
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Ascariasis
Diagram depicting the various stages in the life cycle of the intestinal nematode Ascaris lumbricoides
Public Health Image Library, CDC
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Ascariasis
Photomicrograph depicting a fertilized egg of the parasite Ascaris lumbricoides
Public Health Image Library, CDC
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