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Description:This micrograph reveals an unfertilized egg of the round worm Ascaris lumbricoides; Mag. 400X.
Fertilized Ascaris lumbricoides eggs are rounded, have a thick shell. While unfertilized eggs are elongated and larger, thinner shelled, covered by a more visible mammillated layer, which is sometimes covered by protuberances, as in this case.
High Resolution: Click here for hi-resolution image (6.51 MB)
Content Providers(s):CDC/ Dr. Mae Melvin
Creation Date:1982
Photo Credit:
Links:CDC – Div. of Parasitic Diseases: Ascariasis
CDC Organization
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Copyright Restrictions:None - This image is in the public domain and thus free of any copyright restrictions. As a matter of courtesy we request that the content provider be credited and notified in any public or private usage of this image.