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The Very Happy Roundworm
Editor's Pics

The Very Happy Roundworm

The Very Happy Roundworm
Editor's Pics

The Very Happy Roundworm

Credit: Massimo Brizzi

This creature may look like it's smiling, but it’s far from friendly. This is a cross-section image of the parasitic roundworm Ascaris lumbricoides, taken using darkfield microscopy. Commonly referred to as the “large roundworm” of humans, they can grow up to 35cm in length.

The Very Happy Roundworm

Credit: Massimo Brizzi


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