A 3-year-old boy from Indonesia had to undergo emergency intestinal surgery after vomiting live worms — the shocking result of a heavy infestation of Ascaris lumbricoides, a parasitic roundworm ...

This lithograph illustrates the high quality of the visualization techniques used in 1901 for documenting the cellular structures involved in cell division. The figure shows chromosomes in the ...

Soil-transmitted helminthiases (STH) are caused by four species of parasitic worms (Ascaris lumbricoides, Trichuris trichiura, and the hookworms Ancylostoma duodenale and Necator americanus ...