Sharing is not just caring, it's also about giving credit - add this image to your page and give credit to the talented photographer who captured it.:
animal ascariasis ascarid ascaris biology digestive disease enterobiasis female health helminth helminthology helminths human infected infection inside intestinal intestine larval lumbricoides male medicine microscope nematode nematodes parasite parasites parasitic pinworm pinworms roundworm roundworms science seatworm small threadworm threadworms tract vector white worm worms