Parasitic roundworms
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The nematodes or roundworms (Phylum Nematoda from Greek νῆμα (nema): "thread" + ode "like") are one of the most common phyla of animals, with over 20,000 different described species (over 15,000 are parasitic). Nematodes commonly parasitic on humans include whipworms, filarids, hookworms, pinworms, ascarids, and horsehair worms.
Contents |
[edit] Hookworms
 Hookworm lifecycle |
 A hookworm (Ancylostoma caninum) egg. |
 Hookworms |
[edit] Pinworms
 Life cycle of Enterobius vermicularis-pinworm |
 Enterobius vermicularis pinworm |
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 Head of Enterobius vermicularis |
 Enterobius vermicularis |
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 head of a pinworm, colored |
[edit] Ascarids
 Life cycle of Ascaris lumbricoides |
 Fertilized egg of Ascaris lumbricoides |
 Ascaris lumbricoides - adult |
[edit] Horsehair worms
 Paragordius tricuspidatus, a horsehair worm-infects insects |
 Spinochordodes tellinii and its grasshopper host |
[edit] Other
 Canine roundworm egg. |
 Canine roundworm (Toxascaris leonina) egg. |
 A feline roundworm (Toxocara cati) egg. |
 Strongyloides stercoraliz larva cause of strongyloidiasis. |
 Meloidogyne incognita-plant parasite |
 Heterodera glycines- Root cyst nematode |
 Soybean cyst nematode and egg |
