Parasitic worm, also known as helminth, is large macroparasite.

Parasitic worm may also refer to:

• Acanthocephala, or the spiny-headed worms all of which are parasitic.
• Hirudinea, extoparasitic annelids commonly known as leeches
• Nematoda, or roundworms the most well known of which are parasitic
  • Enterobius, commonly known as pinworms, cause the disease enterobiasis.
  • Hookworms, intestinal parasites of mammals.
• Pentastomida, sometimes referred to as tongue worms which are obligate parasites
• Platyhelminthes, or flatworms the phyla which contains the parasitic tapeworms and flukes.
  • Liver fluke
  • Blood fluke
  • Lung fluke
  • Intestinal fluke

• Tapeworm infection
• Deworming
• Effects of parasitic worms on the immune system
• Coenurosis, intermediate infection of host
  • Coenurosis in humans
• Enterobiasis, pinworm infection
• Echinococcosis, host disease by tapeworm larve
• Helminthiasis, disease caused by any parasitic worm

• Nematomorpha, the horsehair worms are parasitoids not truly parasites.
• Parasitology, relation between host and parasite
• Human parasites
• Parasitic nutrition, parasite nutrition by feeding off the host
• Ringworm, a fungal infection which causes a ring shaped discoloration in the skin

This disambiguation page lists articles associated with the title Parasitic worm.
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